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Optimized oracle schema overview query (#6211)

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* Optimized oracle schema overview query

* Fixed oracle overview query indentation
This commit is contained in:
Aiden Foxx
2021-06-11 17:22:59 +02:00
committed by GitHub
parent a137bbd9e8
commit ec72249ab5
1 changed files with 23 additions and 16 deletions
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39
packages/schema/src/dialects/oracledb.ts
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@@ -6,7 +6,7 @@ import { mapKeys } from 'lodash';
export default class Oracle extends KnexOracle implements SchemaInspector {
private static _mapColumnAutoIncrement(column: Column): Column {
// Oracle doesn't support AUTO_INCREMENT. Assume all numeric primary
// Knex doesn't support AUTO_INCREMENT. Assume all numeric primary
// keys without a default are AUTO_INCREMENT
const hasAutoIncrement = !column.default_value && column.data_type === 'NUMBER' && column.is_primary_key;
@@ -56,21 +56,28 @@ export default class Oracle extends KnexOracle implements SchemaInspector {
};
const columns = await this.knex.raw<RawColumn[]>(`
WITH "uc" AS (
SELECT /*+ materialize */
"uc"."TABLE_NAME",
"ucc"."COLUMN_NAME",
"uc"."CONSTRAINT_TYPE"
FROM "USER_CONSTRAINTS" "uc"
INNER JOIN "USER_CONS_COLUMNS" "ucc" ON "uc"."CONSTRAINT_NAME" = "ucc"."CONSTRAINT_NAME"
WHERE "uc"."CONSTRAINT_TYPE" = 'P'
)
SELECT
"USER_TAB_COLUMNS"."TABLE_NAME" AS TABLE_NAME,
"USER_TAB_COLUMNS"."COLUMN_NAME" AS COLUMN_NAME,
"USER_TAB_COLUMNS"."DATA_DEFAULT" AS DEFAULT_VALUE,
"USER_TAB_COLUMNS"."NULLABLE" AS IS_NULLABLE,
"USER_TAB_COLUMNS"."DATA_TYPE" AS DATA_TYPE,
"USER_TAB_COLUMNS"."DATA_PRECISION" AS NUMERIC_PRECISION,
"USER_TAB_COLUMNS"."DATA_SCALE" AS NUMERIC_SCALE,
"USER_CONSTRAINTS"."CONSTRAINT_TYPE" AS COLUMN_KEY,
"USER_TAB_COLUMNS"."CHAR_LENGTH" as MAX_LENGTH
FROM
"USER_TAB_COLUMNS"
LEFT JOIN "USER_CONS_COLUMNS" ON "USER_TAB_COLUMNS"."TABLE_NAME" = "USER_CONS_COLUMNS"."TABLE_NAME"
AND "USER_TAB_COLUMNS"."COLUMN_NAME" = "USER_CONS_COLUMNS"."COLUMN_NAME"
LEFT JOIN "USER_CONSTRAINTS" ON "USER_CONS_COLUMNS"."CONSTRAINT_NAME" = "USER_CONSTRAINTS"."CONSTRAINT_NAME"
"c"."TABLE_NAME",
"c"."COLUMN_NAME",
"c"."DATA_DEFAULT" AS DEFAULT_VALUE,
"c"."NULLABLE" AS IS_NULLABLE,
"c"."DATA_TYPE",
"c"."DATA_PRECISION" AS NUMERIC_PRECISION,
"c"."DATA_SCALE" AS NUMERIC_SCALE,
"ct"."CONSTRAINT_TYPE" AS COLUMN_KEY,
"c"."CHAR_LENGTH" as MAX_LENGTH
FROM "USER_TAB_COLUMNS" "c"
LEFT JOIN "uc" "ct" ON "c"."TABLE_NAME" = "ct"."TABLE_NAME"
AND "c"."COLUMN_NAME" = "ct"."COLUMN_NAME"
`);
const columnsLowercase: RawColumnLowercase[] = columns.map(
@@ -90,7 +97,7 @@ export default class Oracle extends KnexOracle implements SchemaInspector {
};
}
// Oracle doesn't support AUTO_INCREMENT. Assume all numeric primary
// Knex doesn't support AUTO_INCREMENT. Assume all numeric primary
// keys without a default are AUTO_INCREMENT
const hasAutoIncrement = !column.default_value && column.data_type === 'NUMBER' && column.column_key === 'P';