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69 lines
1.7 KiB
Go
Executable File
69 lines
1.7 KiB
Go
Executable File
#!/usr/bin/env bash
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# leehom Chen <clh021@gmail.com>
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# 确保脚本所在目录作为当前工作目录
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script_dir=$(dirname "${BASH_SOURCE[0]}")
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cd "$script_dir" || exit
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# 检查输入文件是否存在
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# if [[ ! -f "$1" ]]; then
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# echo "Please provide the MySQL dump file as an argument."
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# exit 1
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# fi
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pwd
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# 定义输入输出文件路径
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input_file="sqlite.sql"
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output_file="converted_sqlite.sql"
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# 解析并转换SQL脚本
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while IFS= read -r line; do
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# 删除所有以 'SET '（注意空格）开头的行
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if [[ "$line" =~ ^[[:space:]]*SET ]]; then
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continue
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fi
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# 删除以 '/*!' 开头的行
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if [[ "$line" =~ ^/*/ ]]; then
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continue
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fi
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# 删除以 '--' 开头的行（注释行）
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if [[ "$line" =~ ^-- ]]; then
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continue
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fi
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# 删除空行
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if [[ -z "$line" ]]; then
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continue
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fi
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# 替换 AUTO_INCREMENT 为 INTEGER PRIMARY KEY AUTOINCREMENT
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# line=$(echo "$line" | sed -E 's/(CREATE TABLE.*\()(.*,\) /\\1\\2 INTEGER PRIMARY KEY AUTOINCREMENT,/g' -e 's/AUTO_INCREMENT//g')
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# 删除引擎设置（SQLite不需要）
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# 移除 'ENGINE=InnoDB'
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line="${line/ ENGINE=InnoDB/}"
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# 处理 'COMMENT ' 字符串
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if [[ "$line" =~ \s*COMMENT\s*=\s*'[^']* ]]; then
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# 获取COMMENT内容及其后的字符
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comment_and_suffix="${BASH_REMATCH[1]}"
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suffix="${comment_and_suffix##*}"
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comment="${comment_and_suffix%}*}"
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line="${line/$comment_and_suffix/,-- $comment$suffix}"
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fi
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# 处理 TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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# line=$(echo "$line" | sed 's/TIMESTAMP DEFAULT CURRENT_TIMESTAMP/TIMESTAMP NULL/g')
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# 输出转换后的行
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echo "$line"
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done <"$input_file" >"$output_file"
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# 回到原始目录
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cd - || exit
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# 显示转换后的文件路径
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printf "Converted file saved at: %s\n" "$output_file"
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