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feat: add uniques to firebird

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Pavel
2025-05-29 14:52:44 +02:00
parent 9a69f1108d
commit a5adfb7c7f
3 changed files with 81 additions and 36 deletions
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2
plugins/dbgate-plugin-firebird/src/backend/sql/index.js
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@@ -9,6 +9,7 @@ const functionParameters = require('./functionParameters');
const procedures = require('./procedures');
const procedureParameters = require('./procedureParameters');
const views = require('./views');
const uniques = require('./uniques');
module.exports = {
version,
@@ -22,4 +23,5 @@ module.exports = {
functionParameters,
procedures,
procedureParameters,
uniques,
};

23
plugins/dbgate-plugin-firebird/src/backend/sql/uniques.js Normal file
View File

@@ -0,0 +1,23 @@
module.exports = `
SELECT
TRIM(rc.RDB$CONSTRAINT_NAME) AS "constraintName", -- Name of the constraint
TRIM('unique') AS "constraintType", -- Type of the constraint
TRIM(rc.RDB$RELATION_NAME) AS "pureName", -- Context: Table the constraint is on
-- Column specific fields from RDB$INDEX_SEGMENTS for the backing index
TRIM(s.RDB$FIELD_NAME) AS "columnName", -- Name of the column in the unique key
CASE COALESCE(i.RDB$INDEX_TYPE, 0) -- isDescending: 0 for ASC (default), 1 for DESC for the backing index
WHEN 1 THEN TRUE
ELSE FALSE
END AS "isDescending"
FROM
RDB$RELATION_CONSTRAINTS rc
JOIN
-- RDB$INDEX_NAME in RDB$RELATION_CONSTRAINTS is the name of the index that enforces the UNIQUE constraint
RDB$INDICES i ON rc.RDB$INDEX_NAME = i.RDB$INDEX_NAME
JOIN
RDB$INDEX_SEGMENTS s ON i.RDB$INDEX_NAME = s.RDB$INDEX_NAME
WHERE
rc.RDB$CONSTRAINT_TYPE = 'UNIQUE' -- Filter for UNIQUE constraints
AND COALESCE(i.RDB$SYSTEM_FLAG, 0) = 0 -- Typically, backing indexes for user UQ constraints are user-related.
`;