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1 >>> user
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2
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3 This is my vim plugin for working with a mariadb database, can you please provide some feedback and suggest some changes or new features that we could work together to implement?
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4
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5 >>> include
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6
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7 /home/luka/.vim/plugins/dbtables.vim
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8
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9
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10
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11 <<< assistant
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12
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13 Your Vim plugin for interacting with a MariaDB database is a useful tool for developers who often work with SQL databases directly from their text editor. Here's some feedback along with suggestions for improvements and additional features:
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14
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15 ### Feedback
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16
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17 1. **Security Concerns:**
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18 - Storing database credentials directly in the `.vim` file can be a security risk. Consider using environment variables or prompting the user to enter credentials when needed. You could also add encryption or vault-like features to manage credentials securely.
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19
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20 2. **Error Handling:**
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21 - Enhance error handling to provide more informative messages. If the `result` from `systemlist()` includes known error patterns, you could display specific error messages.
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22
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23 3. **User Interface:**
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24 - The current buffer logic (such as non-modifiable and no-number) is good for a dashboard type of view. You might also want to add syntax highlighting to make the views more visually appealing. Consider adding some color to differentiate headers from data rows.
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25
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26 ### Suggested Improvements
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27
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28 1. **Configuration:**
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29 - Move configuration settings (like user credentials) to a separate file and load them at runtime. This abstraction can help simplify the process of updating credentials or supporting multiple configurations.
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30
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31 2. **Enhanced Queries:**
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32 - Implement functionalities that allow executing more complex queries, such as support for multi-line queries.
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33
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34 3. **UX Improvements:**
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35 - Add more keyboard shortcuts for common tasks, like refreshing the table list or switching between query results tabs.
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36
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37 ### New Features
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38
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39 1. **Query History:**
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40 - Support a query history buffer where past queries are stored so users can quickly rerun historical queries.
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41
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42 2. **Table Schema Viewer:**
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43 - Build a function to view the schema or structure of a selected table. This will help in understanding the table schema without leaving Vim.
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44
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45 3. **Integrate with Other Plugins:**
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46 - Consider integrating with plugins like `fzf` or `ctrlp` for fuzzy search capabilities when selecting tables or executing queries.
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47
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48 4. **Export Results:**
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49 - Add functionality to export query results to a file, possibly in formats like CSV or JSON, for further analysis.
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50
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51 5. **Data Editing:**
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52 - Basic data manipulation (like simple updates) could be considered, transforming Vim into a lightweight database interface. However, you should be mindful of the complexities and introduce it cautiously.
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53
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54 6. **Support for Multiple Databases or Connections:**
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55 - Allow users to switch between connections easily, supporting multiple databases and users.
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56
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57 7. **Configuration Wizard:**
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58 - Implement a wizard for configuring connection settings interactively within Vim for ease of use.
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59
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60 Incorporating these suggestions can help enhance the usability and functionality of your Vim plugin, making it more powerful and appealing to users who prefer powerful text editors like Vim for development tasks. Let me know if there's any feature you'd like to tackle together!
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61
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62 >>> user
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63
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64 Wow, these are all great ideas, I knew you'd be up for the task. Lets start with distilling all this feedback and set a list of "tickets" that need to be addressed. Then we can go through one by one and implement them. How does that sound?
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65
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66
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67 <<< assistant
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68
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69 That sounds like a great plan! Let's break down the feedback and suggestions into actionable "tickets." Here's a prioritized list of tasks we can work through:
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70
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71 ### Tickets
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72
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73 #### Security & Configuration
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74 1. **Secure Credentials Management**
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75 - Replace direct credential storage with environment variables or prompt for credentials at runtime.
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76 - Introduce support for encrypted storage or a vault system.
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77
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78 2. **Configuration Abstraction**
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79 - Move configuration settings to a separate file and load them at runtime to support multiple configurations.
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80
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81 #### User Experience & UI Improvements
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82 3. **Enhanced Error Handling**
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83 - Improve error messages based on known MariaDB error patterns.
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84
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85 4. **Syntax Highlighting & UI Enhancements**
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86 - Implement syntax highlighting for query results and table views to differentiate headers from data.
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87
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88 5. **Keyboard Shortcuts & Usability**
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89 - Add more shortcuts for common tasks like refreshing table lists and switching tabs.
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90
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91 #### New Features
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92 6. **Query History**
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93 - Implement a query history feature to store and rerun past queries easily.
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94
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95 7. **Table Schema Viewer**
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96 - Provide functionality to view the schema or structure of selected tables.
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97
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98 8. **Integration with Fuzzy Search**
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99 - Integrate with `fzf` or similar plugins to enable fuzzy search capabilities for table and query selection.
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100
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101 9. **Export Query Results**
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102 - Add functionality to export query results to CSV or JSON files.
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103
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104 10. **Support Multiple Connections**
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105 - Implement functionality to switch easily between multiple database connections.
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106
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107 11. **Configuration Wizard**
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108 - Develop an interactive configuration wizard to set up connection settings within Vim.
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109
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110 12. **Basic Data Editing**
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111 - Consider basic data manipulation features, ensuring safety and clarity in implementation.
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112
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113 Let me know if you'd like to adjust the priorities or add anything else. Once you're ready, we can start with the implementation of the first ticket!
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114
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115 >>> user
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116
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117 This seems great. Lets start with the first ticket. I think we should keep this rather simple since this plugin will likely just be used locally in development environments. Also I haven't released it anywhere so I doubt anyone else will use it. Lets start with a simple implementation of the security enhancement.
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118
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119
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120 <<< assistant
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121
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122 Great! Let's start by implementing a simple and secure way to handle database credentials, leveraging environment variables. This approach will keep your credentials out of the Vim config files while still being easily accessible for your local development work.
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123
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124 ### Steps to Implement Secure Credentials Management
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125
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126 1. **Environment Variables:**
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127 - Instead of storing the credentials directly in the Vim configuration, use environment variables that can be set in your shell profile (`.bashrc`, `.zshrc`, etc.).
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128
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129 2. **Modifying the Plugin:**
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130 - Modify your Vim script to read from these environment variables.
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131
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132 Here's how you can implement this:
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133
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134 #### Step 1: Set Environment Variables
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135
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136 First, set your credentials in your shell profile file. Add the following lines to `.bashrc`, `.zshrc`, or your shell's equivalent:
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137
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138 ```bash
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139 # Add these to your shell profile, replacing with your actual credentials
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140 export DB_USER="your_username"
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141 export DB_PASSWORD="your_password"
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142 export DB_NAME="your_database_name"
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143 export DB_HOST="localhost" # or another host if needed
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144 ```
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145
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146 After adding them, remember to source your shell configuration to apply the changes:
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147
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148 ```bash
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149 source ~/.bashrc
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150 # or
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151 source ~/.zshrc
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152 ```
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153
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154 #### Step 2: Modify the Vim Plugin
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155
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156 Update your Vim plugin to use these environment variables:
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157
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158 ```vim
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159 " Remove direct assignments and instead fetch from environment variables
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160 let g:db_user = $DB_USER
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161 let g:db_password = $DB_PASSWORD
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162 let g:db_name = $DB_NAME
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163 let g:db_host = $DB_HOST
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164
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165 function! s:ExecuteDBQuery(query)
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166 " Fetch the list of tables from the database
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167 let db_user = shellescape(g:db_user)
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168 let db_password = shellescape(g:db_password)
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169 let db_name = shellescape(g:db_name)
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170 let db_host = shellescape(g:db_host)
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171
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172 " Command to fetch tables
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173 let command = 'mariadb --user=' . db_user . ' --password=' . db_password . ' -e "' . a:query . '" --database=' . db_name . ' --host=' . db_host
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174 " echo "Running command: " . command
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175 " Capture both stdout and stderr
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176 let result = systemlist(command . ' 2>&1')
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177
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178 " Check for errors
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179 if v:shell_error != 0
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180 echoerr "Shell command failed: " . command
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181 echoerr join(result, "\n")
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182 return
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183 endif
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184 return result
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185 endfunction
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186 ```
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187
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188 ### Testing
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189
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190 1. **Open your terminal and Vim**: Make sure your environment variables are set (`echo $DB_USER` to check).
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191 2. **Run** the plugin commands in Vim to ensure it connects using the environment variables.
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192 3. **Check for Errors**: Verify connections and query executions are successful. If there's an issue, double-check the environment variable values.
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193
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194 By using environment variables, you've simplified credential management and improved security. If you're ready, we can move to the next ticket or adjust anything else in this implementation!
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195
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196 >>> user
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197
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198 Is there a way that those could be set for specific projects? The main reason I chose my previous method was that different apps use different databases and have different database users.
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199
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200
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201 <<< assistant
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202
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203 Yes, you can manage environment variables for specific projects by utilizing project-specific configuration files or scripts. Here are a few approaches to achieve this:
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204
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205 ### Approach 1: Project-Specific Shell Scripts
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206
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207 You can create a shell script for each project to set the environment variables before starting Vim.
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208
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209 **Steps:**
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210
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211 1. **Create a Shell Script for Each Project**
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212
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213 For each project, create a script named something like `setenv.sh` in the project's root directory:
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214
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215 ```bash
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216 # setenv.sh
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217 export DB_USER="project_specific_user"
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218 export DB_PASSWORD="project_specific_password"
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219 export DB_NAME="project_specific_database"
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220 export DB_HOST="localhost" # or specific host
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221 ```
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222
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223 2. **Source the Script Before Launching Vim**
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224
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225 ```bash
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226 cd /path/to/project
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227 source ./setenv.sh
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228 vim
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229 ```
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230
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231 ### Approach 2: Project-Specific `.vimrc` Configuration
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232
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233 If you'd like to keep everything within Vim, consider using a `local.vim` configuration setup for each project.
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234
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235 **Steps:**
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236
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237 1. **Create a `local.vim` in Each Project**
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238
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239 Create a `.vim` or `local.vim` in each project directory specifically for project configurations:
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240
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241 ```vim
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242 " local.vim
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243 let $DB_USER = "project_specific_user"
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244 let $DB_PASSWORD = "project_specific_password"
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245 let $DB_NAME = "project_specific_database"
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246 let $DB_HOST = "localhost"
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247 ```
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248
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249 2. **Include Project `local.vim` in Main `.vimrc`**
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250
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251 Modify your `.vimrc` to source this `local.vim` file if it exists:
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252
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253 ```vim
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254 if filereadable(expand(".local.vim"))
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255 source .local.vim
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256 endif
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257 ```
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258
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259 3. **Use Vim from the Project Directory**
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260
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261 Start Vim from the root directory of your project to ensure `local.vim` is sourced:
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262
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263 ```bash
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264 cd /path/to/project
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265 vim
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266 ```
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267
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268 ### Approach 3: Use a Vim Plugin for Project Configurations
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269
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270 Consider using a Vim plugin like vim-project that can automatically load project-specific configurations.
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271
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272 This tactic allows you to manage different configurations easily without hardcoding any credentials directly into your main Vim plugin or `.vimrc` file, thereby improving organization and security across projects.
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273
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274 Choose the approach that best fits your workflow! Let me know if you need help implementing any specific option.
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275
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276 >>> user
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277
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278 Ok let's move on to the next ticket.
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279
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280
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281 <<< assistant
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282
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283 Great! The next ticket involves enhancing error handling within your Vim plugin. Let's focus on improving the feedback the user receives when a command fails, making it more informative and user-friendly.
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284
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285 ### Enhanced Error Handling
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286
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287 **Objective:** Improve error messaging by adding more context to common MariaDB errors, helping users understand what went wrong and possibly how to fix it.
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288
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289 #### Steps to Implement Enhanced Error Handling:
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290
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291 1. **Identify Common Error Patterns:**
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292 - Analyze typical error messages returned by MariaDB and categorize them by type (e.g., authentication errors, connection issues, syntax errors).
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293
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294 2. **Implement Enhanced Messaging:**
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295 - Modify the `s:ExecuteDBQuery` function to provide detailed error messages based on error patterns.
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296
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297 Here's how you can implement enhanced error handling within the plugin:
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298
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299 ```vim
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300 function! s:ExecuteDBQuery(query)
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301 " Fetch the list of tables from the database
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302 let db_user = shellescape(g:db_user)
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303 let db_password = shellescape(g:db_password)
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304 let db_name = shellescape(g:db_name)
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305 let db_host = shellescape(g:db_host)
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306
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307 " Command to fetch tables
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308 let command = 'mariadb --user=' . db_user . ' --password=' . db_password . ' -e "' . a:query . '" --database=' . db_name . ' --host=' . db_host
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309
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310 " Capture both stdout and stderr
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311 let result = systemlist(command . ' 2>&1')
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312
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313 " Check for errors and enhance messages
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314 if v:shell_error != 0
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315 " Basic error handling
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316 echoerr "Shell command failed: " . command
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317 echoerr join(result, "\n")
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318
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319 " Additional error pattern matching
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320 if result =~# 'Access denied'
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321 echoerr "Authentication error: Please check your username and password."
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322 elseif result =~# 'Unknown database'
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323 echoerr "Database error: The specified database does not exist. Check the database name."
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324 elseif result =~# 'Could not connect'
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325 echoerr "Connection error: Unable to reach the database server. Verify the host and network connectivity."
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326 elseif result =~# 'You have an error in your SQL syntax'
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327 echoerr "Syntax error: There is an error in your SQL query."
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328 else
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329 echoerr "An unknown error occurred."
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330 endif
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331
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332 return
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333 endif
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334 return result
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335 endfunction
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336 ```
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337
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338 ### Testing and Iteration
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339
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340 1. **Simulate Errors:**
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341 - Intentionally misconfigure database settings or enter incorrect queries to simulate different types of errors.
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342
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343 2. **Verify Output:**
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344 - Check if the enhanced error messages provide helpful feedback based on the simulated errors.
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345
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346 3. **Iterate:**
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347 - Refine patterns and messages as needed based on your testing or feedback from others utilizing the plugin.
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348
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349 By adding this level of error handling, you'll provide clearer guidance to users about what went wrong, reducing frustration and aiding in quicker debugging. Let me know if you want to refine this further or if you'd like to move on to another ticket!
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350
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351 >>> user
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352
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353 I see what you are trying to do here, however when I run a command like DBTables I get errors from trying to parse the output of ExecuteDBQuery
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354
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355
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356 <<< assistant
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357
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358 Ah, I see. The issue may arise if the command output or the state in your query handling is not accounted for, especially when handling unexpected output or errors not fully captured by the provided patterns. Let's ensure that the function gracefully handles unexpected cases.
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359
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360 ### Debugging & Fixing the Error Handling
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361
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362 1. **Safe Handling of Query Results:**
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363 - Ensure that `result` in `ExecuteDBQuery` is processed only if it's valid.
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364
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365 2. **Check Output Before Processing:**
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366 - Add a check to verify that `result` has expected output before it is processed further.
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367
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368 Here’s a refined version of `ExecuteDBQuery` with added safety checks:
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369
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370 ```vim
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371 function! s:ExecuteDBQuery(query)
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372 " Fetch the list of tables from the database
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373 let db_user = shellescape(g:db_user)
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374 let db_password = shellescape(g:db_password)
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375 let db_name = shellescape(g:db_name)
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376 let db_host = shellescape(g:db_host)
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377
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378 " Command to fetch tables
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379 let command = 'mariadb --user=' . db_user . ' --password=' . db_password . ' -e "' . a:query . '" --database=' . db_name . ' --host=' . db_host
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380
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381 " Capture both stdout and stderr
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382 let result = systemlist(command . ' 2>&1')
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383
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384 " Check for errors and enhance messages
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385 if v:shell_error != 0
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386 let error_handled = 0
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387 " Basic error handling
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388 echoerr "Shell command failed: " . command
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389 echoerr join(result, "\n")
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390
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391 " Additional error pattern matching
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392 if result =~# 'Access denied'
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393 echoerr "Authentication error: Please check your username and password."
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394 let error_handled = 1
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395 elseif result =~# 'Unknown database'
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396 echoerr "Database error: The specified database does not exist. Check the database name."
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397 let error_handled = 1
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398 elseif result =~# 'Could not connect'
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399 echoerr "Connection error: Unable to reach the database server. Verify the host and network connectivity."
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400 let error_handled = 1
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401 elseif result =~# 'You have an error in your SQL syntax'
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402 echoerr "Syntax error: There is an error in your SQL query."
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403 let error_handled = 1
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404 elseif !empty(result)
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405 echoerr "Unexpected error: " . join(result, "\n")
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406 let error_handled = 1
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407 endif
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408
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409 " Return an empty list if there is an error
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410 return error_handled ? [] : result
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411 endif
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412
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413 " Further processing can assume `result` is well-formed
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414 return result
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415 endfunction
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416 ```
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417
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418 ### Additional Considerations
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419
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420 1. **Empty and Well-Formed Output:**
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421 - Handle both empty result scenarios and ensure further processing happens only if `result` is not empty and contains valid output.
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422
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423 2. **Non-Critical Execution:**
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424 - Implement logic in other parts (like `s:OpenDBTablesWindow`) to check whether `ExecuteDBQuery` returns an empty list due to an error, and handle those gracefully. For example:
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425
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426 ```vim
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427 function! s:OpenDBTablesWindow()
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428 let tables = s:ExecuteDBQuery("SHOW TABLES;")
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429 if empty(tables)
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430 echo "No tables found or an error occurred."
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431 return
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432 endif
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433
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434 " Process tables as expected
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435 " ...
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436 endfunction
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437 ```
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438
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439 3. **Verbose Logging for Debugging:**
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440 - Optionally add more `echo` statements or use a verbose level to provide detailed command execution logs during development.
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441
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442 This approach should help prevent errors when parsing the command output and provide clear messaging when errors do happen. Let me know any further issues or if you're ready for the next ticket!
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443
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444 >>> user
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445
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446 I found that the source of the error is that when executing the system command we use `systemlist` which is expecting a list. How can we fix this?
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447
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448 <<< assistant
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449
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450 To address the issue with using `systemlist`, especially if parsing line-by-line output isn't necessary or beneficial, you can switch to `system()` to capture the entire output as a single string. This can often simplify processing, especially if you're concatenating the output back together for display.
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451
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452 Here's how you can adjust the implementation to use `system()`:
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453
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454 ### Modifying the Execution Function
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455
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456 ```vim
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457 function! s:ExecuteDBQuery(query)
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458 " Fetch the list of tables from the database
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459 let db_user = shellescape(g:db_user)
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460 let db_password = shellescape(g:db_password)
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461 let db_name = shellescape(g:db_name)
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462 let db_host = shellescape(g:db_host)
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463
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464 " Command to fetch tables
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465 let command = 'mariadb --user=' . db_user . ' --password=' . db_password . ' -e "' . a:query . '" --database=' . db_name . ' --host=' . db_host
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466
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467 " Capture both stdout and stderr in a single string
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468 let result = system(command . ' 2>&1')
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469
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470 " Check for errors and enhance messages
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471 if v:shell_error != 0
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472 let error_handled = 0
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473 " Basic error handling
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474 echoerr "Shell command failed: " . command
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475 echoerr result
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476
|
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477 " Additional error pattern matching
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478 if result =~# 'Access denied'
|
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479 echoerr "Authentication error: Please check your username and password."
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480 let error_handled = 1
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481 elseif result =~# 'Unknown database'
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482 echoerr "Database error: The specified database does not exist. Check the database name."
|
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483 let error_handled = 1
|
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|
484 elseif result =~# 'Could not connect'
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485 echoerr "Connection error: Unable to reach the database server. Verify the host and network connectivity."
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486 let error_handled = 1
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487 elseif result =~# 'You have an error in your SQL syntax'
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488 echoerr "Syntax error: There is an error in your SQL query."
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489 let error_handled = 1
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490 else
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491 echoerr "Unexpected error: " . result
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492 let error_handled = 1
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493 endif
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494
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495 " Return an empty list if there is an error
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496 return error_handled ? [] : split(result, "\n")
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497 endif
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498
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499 " Process and return as list for further operation
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500 return split(result, "\n")
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501 endfunction
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|
502 ```
|
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503
|
|
|
504 ### Explanation
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505
|
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506 - **Use of `system`:** Captures the command output as a single string, including both stdout and stderr. It allows you to manage entirety of the output more directly than `systemlist`, especially useful if the processing is line-agnostic.
|
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507
|
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508 - **Return Format:** We're converting `result` back into a list with `split(result, "\n")` for any subsequent functions expecting a list, ensuring compatibility with prior logic.
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509
|
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510 - **Error Handling using Result String:** Since `result` is a single string, all error messages are easily echoed without iteration.
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511
|
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|
512 This change should resolve issues with parsing the system command output while retaining your existing logic for processing DB query results. Let me know if there's anything else you'd like to address!
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513
|
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514 >>> user
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515
|
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|
516 Alright this seems to be working well now.
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517 Now may be a good time to review what was done and re-iterate the remaining tickets.
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518
|
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519
|
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|
520 <<< assistant
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521
|
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|
522 Great to hear that the changes are working well for you! Let's review what we've accomplished and then revisit the remaining tickets to ensure we're aligned on the next steps.
|
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523
|
|
|
524 ### Completed Tickets
|
|
|
525
|
|
|
526 1. **Secure Credentials Management:**
|
|
|
527 - Migrated database credential handling from direct Vim configuration to environment variables.
|
|
|
528 - Introduced methods for managing these variables on a per-project basis.
|
|
|
529
|
|
|
530 2. **Enhanced Error Handling:**
|
|
|
531 - Improved error messaging in the `ExecuteDBQuery` function by providing more descriptive problem descriptions based on error patterns.
|
|
|
532 - Adjusted `system` command usage to better capture and process execution results.
|
|
|
533
|
|
|
534 ### Remaining Tickets
|
|
|
535
|
|
|
536 Here's a recap of the remaining tasks we initially identified:
|
|
|
537
|
|
|
538 3. **Syntax Highlighting & UI Enhancements:**
|
|
|
539 - Implement syntax highlighting for SQL queries and query results within Vim to improve readability.
|
|
|
540
|
|
|
541 4. **Keyboard Shortcuts & Usability:**
|
|
|
542 - Add additional shortcuts to improve usability for frequently used actions, like refreshing table lists or switching between buffers.
|
|
|
543
|
|
|
544 5. **Query History:**
|
|
|
545 - Implement a feature to store and access past queries for easy rerun and management within Vim.
|
|
|
546
|
|
|
547 6. **Table Schema Viewer:**
|
|
|
548 - Develop functionality to view the schema or structure of selected tables directly in Vim.
|
|
|
549
|
|
|
550 7. **Integration with Fuzzy Search:**
|
|
|
551 - Integrate with plugins like `fzf` to enable fuzzy search capabilities for table and query selection.
|
|
|
552
|
|
|
553 8. **Export Query Results:**
|
|
|
554 - Add functionality to export query results to files in formats like CSV or JSON.
|
|
|
555
|
|
|
556 9. **Support Multiple Connections:**
|
|
|
557 - Implement enhanced logic to manage and switch between multiple database connections seamlessly.
|
|
|
558
|
|
|
559 10. **Configuration Wizard:**
|
|
|
560 - Develop an interactive setup wizard to simplify configuration and setup of database connections.
|
|
|
561
|
|
|
562 11. **Basic Data Editing:**
|
|
|
563 - Explore simple data manipulation capabilities, considering safety and usability.
|
|
|
564
|
|
|
565 ### Next Steps
|
|
|
566
|
|
|
567 Please let me know your priorities among these remaining tasks, or if you'd like to add, remove, or redefine any of them. Once we have our next tasks identified, we can dive into implementation!
|
|
|
568
|
|
|
569 >>> user
|
|
|
570
|
|
|
571 I think you got it, lets get some syntax highliting!
|
|
|
572
|
|
|
573 <<< assistant
|
|
|
574
|
|
|
575 Great choice! Syntax highlighting can significantly enhance readability and usability, particularly when dealing with complex SQL queries or large sets of data. In Vim, syntax highlighting is achieved through defining specific syntax rules and applying them to buffers.
|
|
|
576
|
|
|
577 ### Steps to Implement Syntax Highlighting
|
|
|
578
|
|
|
579 1. **Define SQL Syntax for Vim:**
|
|
|
580 - Vim supports SQL syntax highlighting out of the box. We'll ensure it's enabled for SQL query buffers.
|
|
|
581
|
|
|
582 2. **Ensure Data Display Uses Plain Text:**
|
|
|
583 - When displaying query results like table listings, use basic text syntax for clarity.
|
|
|
584
|
|
|
585 3. **Assign Appropriate File Types:**
|
|
|
586 - Ensure the correct file type is set for buffers where queries are displayed to invoke syntax rules.
|
|
|
587
|
|
|
588 ### Implementation
|
|
|
589
|
|
|
590 #### Step 1: Highlight SQL Queries
|
|
|
591
|
|
|
592 For buffers displaying SQL queries:
|
|
|
593
|
|
|
594 ```vim
|
|
|
595 function! s:ExecuteSQLQuery()
|
|
|
596 " Get the content of the current buffer (SQL query)
|
|
|
597 let query = join(getline(1, '$'), " ")
|
|
|
598 let data = s:ExecuteDBQuery(query)
|
|
|
599
|
|
|
600 tabnew
|
|
|
601 enew
|
|
|
602 execute 'file SQLQueryResult'
|
|
|
603 call append(0, data)
|
|
|
604
|
|
|
605 " Set the buffer file type to SQL for syntax highlighting
|
|
|
606 setlocal filetype=sql
|
|
|
607
|
|
|
608 setlocal buftype=nofile
|
|
|
609 setlocal bufhidden=wipe
|
|
|
610 setlocal nobuflisted
|
|
|
611 setlocal noswapfile
|
|
|
612 setlocal nomodifiable
|
|
|
613 endfunction
|
|
|
614 ```
|
|
|
615
|
|
|
616 #### Step 2: Plain Text for Data Buffers
|
|
|
617
|
|
|
618 For buffers displaying tabular data:
|
|
|
619
|
|
|
620 ```vim
|
|
|
621
|
|
|
622 function! s:ShowTableData()
|
|
|
623 let lnum = line('.')
|
|
|
624 let table_name = getline(lnum)
|
|
|
625
|
|
|
626 tabnew
|
|
|
627 enew
|
|
|
628 execute 'file ' . table_name
|
|
|
629 call append(0, s:ExecuteDBQuery("SELECT * FROM " . table_name . ";"))
|
|
|
630
|
|
|
631 " Use plain text, but syntax can be defined similarly if needed
|
|
|
632 setlocal filetype=
|
|
|
633
|
|
|
634 setlocal buftype=nofile
|
|
|
635 setlocal bufhidden=wipe
|
|
|
636 setlocal nobuflisted
|
|
|
637 setlocal noswapfile
|
|
|
638 setlocal nomodifiable
|
|
|
639 endfunction
|
|
|
640 ```
|
|
|
641
|
|
|
642 ### Testing Syntax Highlighting
|
|
|
643
|
|
|
644 1. **Open a SQL Query Buffer:**
|
|
|
645 - Run a command that opens a buffer displaying an SQL query to verify syntax highlighting.
|
|
|
646
|
|
|
647 2. **Open a Data Buffer:**
|
|
|
648 - Display table data and ensure the absence of syntax highlighting (or integrate minimal highlighting if desired).
|
|
|
649
|
|
|
650 3. **Adjust as Necessary:**
|
|
|
651 - Customize the syntax definitions or switch syntax off if it negatively affects readability in specific contexts.
|
|
|
652
|
|
|
653 ### Further Enhancements
|
|
|
654
|
|
|
655 - **Custom Highlighting:** Consider defining custom syntax highlighting rules or colors for your specific needs in your Vim configuration.
|
|
|
656 - **Themes:** Try different Vim color schemes to see which provides the best clarity for SQL, especially when dealing with complex queries.
|
|
|
657
|
|
|
658 This setup should give you effective syntax highlighting for your SQL work within Vim. Let me know if you'd like further customization or experimentation with other features!
|
|
|
659
|
|
|
660 >>> user
|
|
|
661
|
|
|
662 Lets move on to the next ticket.
|
|
|
663
|
|
|
664
|
|
|
665 <<< assistant
|
|
|
666
|
|
|
667 Alright! The next ticket involves enhancing the usability of your plugin by adding keyboard shortcuts for common tasks. These shortcuts will allow you to perform frequent actions more quickly, enhancing your workflow efficiency.
|
|
|
668
|
|
|
669 ### Usability & Keyboard Shortcuts
|
|
|
670
|
|
|
671 **Objective:** Introduce convenient keyboard mappings for frequently used functions like refreshing table lists, executing queries, or navigating buffers.
|
|
|
672
|
|
|
673 ### Steps to Implement Shortcuts
|
|
|
674
|
|
|
675 1. **Identify Common Operations:**
|
|
|
676 - Determine which operations are frequent and would benefit from keyboard shortcuts, such as opening the tables window, executing SQL queries, or refreshing data.
|
|
|
677
|
|
|
678 2. **Define Shortcuts:**
|
|
|
679 - Assign key mappings for these operations.
|
|
|
680
|
|
|
681 #### Implementation
|
|
|
682
|
|
|
683 Here's how you can add keyboard shortcuts within your plugin:
|
|
|
684
|
|
|
685 ```vim
|
|
|
686 " Function to refresh the list of tables
|
|
|
687 nnoremap <Leader>rt :DBTables<CR>
|
|
|
688
|
|
|
689 " Function to execute the contents of the current buffer as an SQL query
|
|
|
690 nnoremap <Leader>eq :ExecuteSQL<CR>
|
|
|
691
|
|
|
692 " Function to open the database tables window
|
|
|
693 nnoremap <Leader>ot :DBTables<CR>
|
|
|
694
|
|
|
695 " Optional: Shortcut to open MariaDB console
|
|
|
696 nnoremap <Leader>mc :call DBConsole()<CR>
|
|
|
697 ```
|
|
|
698
|
|
|
699 - **`<Leader>`**: The leader key is a commonly used prefix to create custom mappings, making it less likely to conflict with existing Vim commands.
|
|
|
700
|
|
|
701 - **Defined Shortcuts:**
|
|
|
702 - `<Leader>rt`: Refresh the list of tables (`DBTables` command).
|
|
|
703 - `<Leader>eq`: Execute an SQL query from the current buffer (`ExecuteSQL` command).
|
|
|
704 - `<Leader>ot`: Open the database tables window.
|
|
|
705 - `<Leader>mc`: Open the MariaDB console (if using), just as an example of interactively running the console within Vim.
|
|
|
706
|
|
|
707 ### Testing Shortcuts
|
|
|
708
|
|
|
709 1. **Verify Key Bindings:**
|
|
|
710 - Test each shortcut in your Vim session to ensure that they trigger the desired commands.
|
|
|
711
|
|
|
712 2. **Adjust as Needed:**
|
|
|
713 - Modify any shortcuts that might conflict with other Vim keybindings or aren't intuitively placed for your workflow.
|
|
|
714
|
|
|
715 3. **Utilize Leader Key:**
|
|
|
716 - Ensure you're comfortable with the leader key setup and adjust your `.vimrc` if needed, like changing the default leader from `\` to `,` if that suits your style better.
|
|
|
717
|
|
|
718 ### Further Enhancements
|
|
|
719
|
|
|
720 - **Personal Customizations:** Adjust shortcuts based on your muscle memory or personal preferences.
|
|
|
721 - **Documentation:** Document the shortcuts within your `.vimrc` or maintain a cheatsheet, especially helpful if you plan to share the plugin with others.
|
|
|
722
|
|
|
723 This should provide you with a smooth and efficient navigation experience within your MariaDB plugin. Let me know how it works for you or if there are more areas you'd like to enhance!
|
|
|
724
|
|
|
725 >>> user
|
|
|
726
|
