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mysql - analyse primary and foreign keys

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This commit is contained in:
Jan Prochazka
2020-05-16 08:45:18 +02:00
parent 70ab03ad73
commit 83e3f8b1d8
7 changed files with 81 additions and 39 deletions
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17
packages/engines/mysql/sql/foreign_keys.js Normal file
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@@ -0,0 +1,17 @@
module.exports = `
select
REFERENTIAL_CONSTRAINTS.CONSTRAINT_NAME as constraintName,
REFERENTIAL_CONSTRAINTS.TABLE_NAME as pureName,
REFERENTIAL_CONSTRAINTS.UPDATE_RULE as updateAction,
REFERENTIAL_CONSTRAINTS.DELETE_RULE as deleteAction,
REFERENTIAL_CONSTRAINTS.REFERENCED_TABLE_NAME as refTableName,
KEY_COLUMN_USAGE.COLUMN_NAME as columnName,
KEY_COLUMN_USAGE.REFERENCED_COLUMN_NAME as refColumnName
from INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS
inner join INFORMATION_SCHEMA.KEY_COLUMN_USAGE
on REFERENTIAL_CONSTRAINTS.TABLE_NAME = KEY_COLUMN_USAGE.TABLE_NAME
and REFERENTIAL_CONSTRAINTS.CONSTRAINT_NAME = KEY_COLUMN_USAGE.CONSTRAINT_NAME
and REFERENTIAL_CONSTRAINTS.CONSTRAINT_SCHEMA = KEY_COLUMN_USAGE.CONSTRAINT_SCHEMA
where REFERENTIAL_CONSTRAINTS.CONSTRAINT_SCHEMA = '#DATABASE#' and REFERENTIAL_CONSTRAINTS.TABLE_NAME =[OBJECT_NAME_CONDITION]
order by KEY_COLUMN_USAGE.ORDINAL_POSITION
`;

6
packages/engines/mysql/sql/index.js
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@@ -1,7 +1,13 @@
const columns = require('./columns');
const tables = require('./tables');
const primary_keys = require('./primary_keys');
const foreign_keys = require('./foreign_keys');
const table_modifications = require('./table_modifications');
module.exports = {
columns,
tables,
primary_keys,
foreign_keys,
table_modifications,
};

12
packages/engines/mysql/sql/primary_keys.js Normal file
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@@ -0,0 +1,12 @@
module.exports = `select
TABLE_CONSTRAINTS.CONSTRAINT_NAME as constraintName,
TABLE_CONSTRAINTS.TABLE_NAME as pureName,
KEY_COLUMN_USAGE.COLUMN_NAME as columnName
from INFORMATION_SCHEMA.TABLE_CONSTRAINTS
inner join INFORMATION_SCHEMA.KEY_COLUMN_USAGE
on TABLE_CONSTRAINTS.TABLE_NAME = KEY_COLUMN_USAGE.TABLE_NAME
and TABLE_CONSTRAINTS.CONSTRAINT_NAME = KEY_COLUMN_USAGE.CONSTRAINT_NAME
and TABLE_CONSTRAINTS.CONSTRAINT_SCHEMA = KEY_COLUMN_USAGE.CONSTRAINT_SCHEMA
where TABLE_CONSTRAINTS.CONSTRAINT_SCHEMA = '#DATABASE#' and TABLE_CONSTRAINTS.TABLE_NAME =[OBJECT_NAME_CONDITION] AND TABLE_CONSTRAINTS.CONSTRAINT_TYPE = 'PRIMARY KEY'
order by KEY_COLUMN_USAGE.ORDINAL_POSITION
`;

7
packages/engines/mysql/sql/table_modifications.js Normal file
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@@ -0,0 +1,7 @@
module.exports = `
select
TABLE_NAME,
case when ENGINE='InnoDB' then CREATE_TIME else coalesce(UPDATE_TIME, CREATE_TIME) end as ALTER_TIME
from information_schema.tables
where TABLE_SCHEMA = '#DATABASE#'
`;