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feat: add indexes to firebird

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Pavel
2025-05-29 15:20:51 +02:00
parent 8baff1b0d2
commit da3e12cb7e
3 changed files with 59 additions and 0 deletions
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15
plugins/dbgate-plugin-firebird/src/backend/Analyser.js
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@@ -27,6 +27,7 @@ class Analyser extends DatabaseAnalyser {
const procedureParametersResults = await this.analyserQuery(sql.procedureParameters, ['procedures']);
const viewsResults = await this.analyserQuery(sql.views, ['views']);
const unqiuesResults = await this.analyserQuery(sql.uniques, ['tables']);
const indexesResults = await this.analyserQuery(sql.indexes, ['tables']);
const columns =
columnsResult.rows?.map(column => ({
@@ -85,6 +86,19 @@ class Analyser extends DatabaseAnalyser {
],
})) ?? [];
const indexes =
indexesResults.rows?.map(index => ({
pureName: index.pureName,
constraintName: index.constraintName,
constraintType: index.constraintType,
columns: [
{
columnName: index.columnName,
isDescending: index.isDescending,
},
],
})) ?? [];
const procedures =
proceduresResults.rows?.map(proc => ({
...proc,
@@ -105,6 +119,7 @@ class Analyser extends DatabaseAnalyser {
primaryKey: DatabaseAnalyser.extractPrimaryKeys(table, primaryKeys),
foreignKeys: DatabaseAnalyser.extractForeignKeys(table, foreignKeys),
uniques: uniques.filter(unique => unique.pureName === table.pureName),
indexes: indexes.filter(index => index.pureName === table.pureName),
})) ?? [];
console.log(uniques);

2
plugins/dbgate-plugin-firebird/src/backend/sql/index.js
View File

@@ -10,6 +10,7 @@ const procedures = require('./procedures');
const procedureParameters = require('./procedureParameters');
const views = require('./views');
const uniques = require('./uniques');
const indexes = require('./indexes');
module.exports = {
version,
@@ -24,4 +25,5 @@ module.exports = {
procedures,
procedureParameters,
uniques,
indexes,
};

42
plugins/dbgate-plugin-firebird/src/backend/sql/indexes.js Normal file
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@@ -0,0 +1,42 @@
module.exports = `
SELECT -- Index name, maps to pureName
TRIM(I.RDB$INDEX_NAME) AS "constraintName", -- Index name, maps to constraintName
TRIM('index') AS "constraintType", -- ConstraintType for IndexInfo
TRIM(I.RDB$RELATION_NAME) AS "pureName", -- Context: Table the index is on
CASE COALESCE(I.RDB$UNIQUE_FLAG, 0) -- isUnique: 1 for unique, 0 or NULL for non-unique [cite: 46, 838]
WHEN 1 THEN TRUE
ELSE FALSE
END AS "isUnique",
CASE
WHEN I.RDB$EXPRESSION_SOURCE IS NOT NULL THEN TRIM('expression') -- indexType: if an expression index [cite: 46, 262]
ELSE TRIM('normal')
END AS "indexType",
I.RDB$CONDITION_SOURCE AS "idx_filterDefinition", -- filterDefinition: for partial indexes [cite: 46, 261, 838]
COALESCE(I.RDB$INDEX_INACTIVE, 0) AS "idx_isInactive", -- 0 for active, 1 for inactive [cite: 46, 838]
I.RDB$DESCRIPTION AS "idx_description", -- Index description/comment [cite: 46, 838]
-- Column specific fields from RDB$INDEX_SEGMENTS
TRIM(S.RDB$FIELD_NAME) AS "columnName", -- columnName for ColumnReference [cite: 46, 837]
CASE COALESCE(I.RDB$INDEX_TYPE, 0) -- isDescending: 0 for ASC (default), 1 for DESC for the whole index [cite: 46, 838]
WHEN 1 THEN TRUE
ELSE FALSE
END AS "isDescending",
S.RDB$FIELD_POSITION AS "col_fieldPosition" -- 0-based position of the column in the index [cite: 46, 837]
FROM
RDB$INDICES I
JOIN
RDB$INDEX_SEGMENTS S ON I.RDB$INDEX_NAME = S.RDB$INDEX_NAME
WHERE
COALESCE(I.RDB$SYSTEM_FLAG, 0) = 0 -- Filter for user-defined indexes [cite: 46, 838]
AND I.RDB$FOREIGN_KEY IS NULL -- Exclude indexes backing foreign keys [cite: 46, 838]
-- (RDB$FOREIGN_KEY is not null if the index is for an FK)
AND NOT EXISTS ( -- Exclude indexes that are the chosen supporting index for a PK or UQ constraint
SELECT 1
FROM RDB$RELATION_CONSTRAINTS rc
WHERE rc.RDB$INDEX_NAME = I.RDB$INDEX_NAME
AND rc.RDB$CONSTRAINT_TYPE IN ('PRIMARY KEY', 'UNIQUE')
)
AND
('tables:' || TRIM(i.RDB$RELATION_NAME)) =OBJECT_ID_CONDITION
`;