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https://gitee.com/dromara/mayfly-go
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79 lines
1.9 KiB
SQL
79 lines
1.9 KiB
SQL
--MYSQL_DBS 数据库名信息
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SELECT
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SCHEMA_NAME AS dbname
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FROM
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information_schema.SCHEMATA
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WHERE
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SCHEMA_NAME NOT IN ('mysql', 'information_schema', 'performance_schema')
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ORDER BY SCHEMA_NAME
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---------------------------------------
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--MYSQL_TABLE_INFO 表详细信息
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SELECT
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table_name tableName,
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table_comment tableComment,
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table_rows tableRows,
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data_length dataLength,
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index_length indexLength,
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create_time createTime
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FROM
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information_schema.tables
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WHERE
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table_type = 'BASE TABLE'
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{{if .tableNames}}
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AND table_name IN ({{.tableNames}})
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{{end}}
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AND table_schema = (
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SELECT
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database ()
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)
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ORDER BY table_name
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---------------------------------------
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--MYSQL_INDEX_INFO 索引信息
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SELECT
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index_name indexName,
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column_name columnName,
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index_type indexType,
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IF(non_unique, 0, 1) isUnique,
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SEQ_IN_INDEX seqInIndex,
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INDEX_COMMENT indexComment,
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SUB_PART subPart,
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index_name = 'PRIMARY' as isPrimaryKey
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FROM
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information_schema.STATISTICS
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WHERE
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table_schema = (
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SELECT
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database ()
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)
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AND index_name != 'PRIMARY'
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AND table_name = ?
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ORDER BY
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index_name asc,
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SEQ_IN_INDEX asc
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---------------------------------------
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--MYSQL_COLUMN_MA 列信息元数据
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SELECT table_name tableName,
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column_name columnName,
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column_type columnType,
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data_type dataType,
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column_default columnDefault,
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column_comment columnComment,
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CASE
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WHEN column_key = 'PRI' THEN
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1
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ELSE 0
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END AS isPrimaryKey,
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CASE
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WHEN extra LIKE '%%auto_increment%%' THEN
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1
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ELSE 0
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END AS autoIncrement,
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is_nullable nullable,
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CHARACTER_MAXIMUM_LENGTH charMaxLength,
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NUMERIC_SCALE numScale,
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NUMERIC_PRECISION numPrecision
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FROM information_schema.COLUMNS
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WHERE table_schema = (SELECT DATABASE())
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AND table_name IN (%s)
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ORDER BY table_name,
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ordinal_position |