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fix: add support to MySQL versions below 8.0
This commit is contained in:
johnnyfish
committed by
Guy Ben-Aharon
Guy Ben-Aharon
parent
dbe4b335e1
commit
f2f74ad412
@@ -1,35 +1,45 @@
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export const mySQLQuery = `WITH fk_info as (
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(SELECT (@fk_info:=NULL),
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(SELECT (0)
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FROM (SELECT kcu.table_schema,
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kcu.table_name,
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kcu.column_name as fk_column,
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kcu.constraint_name as foreign_key_name,
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kcu.referenced_table_name as reference_table,
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kcu.referenced_column_name as reference_column,
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CONCAT('FOREIGN KEY (', kcu.column_name, ') REFERENCES ',
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kcu.referenced_table_name, '(', kcu.referenced_column_name, ') ',
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'ON UPDATE ', rc.update_rule,
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' ON DELETE ', rc.delete_rule) AS fk_def
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FROM
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information_schema.key_column_usage kcu
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JOIN
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information_schema.referential_constraints rc
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ON kcu.constraint_name = rc.constraint_name
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AND kcu.table_schema = rc.constraint_schema
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AND kcu.table_name = rc.table_name
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WHERE
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kcu.referenced_table_name IS NOT NULL) as fk
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WHERE table_schema LIKE IFNULL(NULL, '%')
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AND table_schema = DATABASE()
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AND (0x00) IN (@fk_info:=CONCAT_WS(',', @fk_info, CONCAT('{"schema":"',table_schema,
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'","table":"',table_name,
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'","column":"', IFNULL(fk_column, ''),
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'","foreign_key_name":"', IFNULL(foreign_key_name, ''),
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'","reference_table":"', IFNULL(reference_table, ''),
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'","reference_column":"', IFNULL(reference_column, ''),
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'","fk_def":"', IFNULL(fk_def, ''),
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'"}')))))
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import { DatabaseEdition } from '@/lib/domain/database-edition';
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export const getMySQLQuery = (
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options: {
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databaseEdition?: DatabaseEdition;
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} = {}
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): string => {
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const databaseEdition: DatabaseEdition | undefined =
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options.databaseEdition;
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const newMySQLQuery = `WITH fk_info as (
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(SELECT (@fk_info:=NULL),
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(SELECT (0)
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FROM (SELECT kcu.table_schema,
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kcu.table_name,
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kcu.column_name as fk_column,
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kcu.constraint_name as foreign_key_name,
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kcu.referenced_table_name as reference_table,
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kcu.referenced_column_name as reference_column,
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CONCAT('FOREIGN KEY (', kcu.column_name, ') REFERENCES ',
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kcu.referenced_table_name, '(', kcu.referenced_column_name, ') ',
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'ON UPDATE ', rc.update_rule,
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' ON DELETE ', rc.delete_rule) AS fk_def
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FROM
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information_schema.key_column_usage kcu
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JOIN
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information_schema.referential_constraints rc
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ON kcu.constraint_name = rc.constraint_name
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AND kcu.table_schema = rc.constraint_schema
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AND kcu.table_name = rc.table_name
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WHERE
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kcu.referenced_table_name IS NOT NULL) as fk
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WHERE table_schema LIKE IFNULL(NULL, '%')
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AND table_schema = DATABASE()
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AND (0x00) IN (@fk_info:=CONCAT_WS(',', @fk_info, CONCAT('{"schema":"',table_schema,
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'","table":"',table_name,
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'","column":"', IFNULL(fk_column, ''),
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'","foreign_key_name":"', IFNULL(foreign_key_name, ''),
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'","reference_table":"', IFNULL(reference_table, ''),
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'","reference_column":"', IFNULL(reference_column, ''),
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'","fk_def":"', IFNULL(fk_def, ''),
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'"}')))))
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), pk_info AS (
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(SELECT (@pk_info:=NULL),
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(SELECT (0)
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@@ -128,3 +138,150 @@ export const mySQLQuery = `WITH fk_info as (
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'", "version": "', VERSION(), '"}') AS CHAR) AS ''
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FROM fk_info, pk_info, cols, indexes, tbls, views);
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`;
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const oldMySQLQuery = `SELECT CAST(CONCAT(
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'{"fk_info": [',
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IFNULL((SELECT GROUP_CONCAT(
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CONCAT('{"schema":"', cast(fk.table_schema as CHAR),
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'","table":"', fk.table_name,
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'","column":"', IFNULL(fk.fk_column, ''),
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'","foreign_key_name":"', IFNULL(fk.foreign_key_name, ''),
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'","reference_table":"', IFNULL(fk.reference_table, ''),
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'","reference_column":"', IFNULL(fk.reference_column, ''),
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'","fk_def":"', IFNULL(fk.fk_def, ''), '"}')
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) FROM (
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SELECT kcu.table_schema,
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kcu.table_name,
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kcu.column_name AS fk_column,
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kcu.constraint_name AS foreign_key_name,
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kcu.referenced_table_name AS reference_table,
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kcu.referenced_column_name AS reference_column,
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CONCAT('FOREIGN KEY (', kcu.column_name, ') REFERENCES ',
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kcu.referenced_table_name, '(', kcu.referenced_column_name, ') ',
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'ON UPDATE ', rc.update_rule,
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' ON DELETE ', rc.delete_rule) AS fk_def
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FROM information_schema.key_column_usage kcu
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JOIN information_schema.referential_constraints rc
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ON kcu.constraint_name = rc.constraint_name
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AND kcu.table_schema = rc.constraint_schema
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AND kcu.table_name = rc.table_name
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WHERE kcu.referenced_table_name IS NOT NULL
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AND kcu.table_schema = DATABASE()
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) AS fk), ''),
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'], "pk_info": [',
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IFNULL((SELECT GROUP_CONCAT(
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CONCAT('{"schema":"', cast(pk.TABLE_SCHEMA as CHAR),
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'","table":"', pk.pk_table,
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'","column":"', pk.pk_column,
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'","pk_def":"', IFNULL(pk.pk_def, ''), '"}')
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) FROM (
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SELECT TABLE_SCHEMA,
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TABLE_NAME AS pk_table,
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COLUMN_NAME AS pk_column,
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CONCAT('PRIMARY KEY (', GROUP_CONCAT(COLUMN_NAME ORDER BY ORDINAL_POSITION SEPARATOR ', '), ')') AS pk_def
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FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE
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WHERE CONSTRAINT_NAME = 'PRIMARY'
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GROUP BY TABLE_SCHEMA, TABLE_NAME
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) AS pk), ''),
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'], "columns": [',
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IFNULL((SELECT GROUP_CONCAT(
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CONCAT('{"schema":"', cast(cols.table_schema as CHAR),
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'","table":"', cols.table_name,
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'","name":"', REPLACE(cols.column_name, '"', '\\"'),
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'","type":"', LOWER(cols.data_type),
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'","character_maximum_length":"', IFNULL(cols.character_maximum_length, 'null'),
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'","precision":',
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IF(cols.data_type IN ('decimal', 'numeric'),
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CONCAT('{"precision":', IFNULL(cols.numeric_precision, 'null'),
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',"scale":', IFNULL(cols.numeric_scale, 'null'), '}'), 'null'),
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',"ordinal_position":"', cols.ordinal_position,
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'","nullable":', IF(cols.is_nullable = 'YES', 'true', 'false'),
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',"default":"', IFNULL(REPLACE(cols.column_default, '"', '\\"'), ''),
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'","collation":"', IFNULL(cols.collation_name, ''), '"}')
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) FROM (
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SELECT cols.table_schema,
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cols.table_name,
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cols.column_name,
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LOWER(cols.data_type) AS data_type,
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cols.character_maximum_length,
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cols.numeric_precision,
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cols.numeric_scale,
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cols.ordinal_position,
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cols.is_nullable,
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cols.column_default,
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cols.collation_name
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FROM information_schema.columns cols
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WHERE cols.table_schema = DATABASE()
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) AS cols), ''),
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'], "indexes": [',
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IFNULL((SELECT GROUP_CONCAT(
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CONCAT('{"schema":"', cast(idx.table_schema as CHAR),
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'","table":"', idx.table_name,
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'","name":"', idx.index_name,
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'","size":"', IFNULL(
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(SELECT SUM(stat_value * @@innodb_page_size)
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FROM mysql.innodb_index_stats
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WHERE stat_name = 'size'
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AND index_name != 'PRIMARY'
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AND index_name = idx.index_name
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AND TABLE_NAME = idx.table_name
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AND database_name = idx.table_schema), -1),
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'","column":"', idx.column_name,
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'","index_type":"', LOWER(idx.index_type),
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'","cardinality":', idx.cardinality,
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',"direction":"', (CASE WHEN idx.collation = 'D' THEN 'desc' ELSE 'asc' END),
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'","unique":', IF(idx.non_unique = 1, 'false', 'true'), '}')
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) FROM (
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SELECT indexes.table_schema,
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indexes.table_name,
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indexes.index_name,
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indexes.column_name,
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LOWER(indexes.index_type) AS index_type,
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indexes.cardinality,
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indexes.collation,
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indexes.non_unique
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FROM information_schema.statistics indexes
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WHERE indexes.table_schema = DATABASE()
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) AS idx), ''),
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'], "tables":[',
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IFNULL((SELECT GROUP_CONCAT(
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CONCAT('{"schema":"', cast(tbls.TABLE_SCHEMA as CHAR),
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'","table":"', tbls.TABLE_NAME,
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'","rows":', IFNULL(tbls.TABLE_ROWS, 0),
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',"type":"', IFNULL(tbls.TABLE_TYPE, ''),
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'","engine":"', IFNULL(tbls.ENGINE, ''),
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'","collation":"', IFNULL(tbls.TABLE_COLLATION, ''), '"}')
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) FROM (
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SELECT TABLE_SCHEMA,
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TABLE_NAME,
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TABLE_ROWS,
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TABLE_TYPE,
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ENGINE,
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TABLE_COLLATION
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FROM information_schema.tables tbls
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WHERE tbls.table_schema = DATABASE()
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) AS tbls), ''),
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'], "views":[',
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IFNULL((SELECT GROUP_CONCAT(
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CONCAT('{"schema":"', cast(vws.TABLE_SCHEMA as CHAR),
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'","view_name":"', vws.view_name,
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'","definition":"', definition, '"}')
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) FROM (
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SELECT TABLE_SCHEMA,
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TABLE_NAME AS view_name,
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'' AS definition
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FROM information_schema.views vws
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WHERE vws.table_schema = DATABASE()
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) AS vws), ''),
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'], "database_name": "', DATABASE(),
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'", "version": "', VERSION(), '"}') AS CHAR) AS ''
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`;
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// Define the base query
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const query =
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databaseEdition === DatabaseEdition.MYSQL_5_7
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? newMySQLQuery
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: oldMySQLQuery;
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return query;
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};
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