graphql-engine/server/src-rsr/mssql_table_metadata.sql
Rakesh Emmadi 09ae6af337 server/mssql: insert SQL generation and execution
>

### Description
>
Insert mutations for MSSQL backend. This PR implements execution logic.

### Changelog

- [x] `CHANGELOG.md` is updated with user-facing content relevant to this PR. If no changelog is required, then add the `no-changelog-required` label.

### Affected components

- [x] Server
- [x] Tests

### Related Issues
->
Close https://github.com/hasura/graphql-engine-mono/issues/2114

### Steps to test and verify
>
Track a MSSQL table and perform the generated insert mutation to test.

PR-URL: https://github.com/hasura/graphql-engine-mono/pull/2248
Co-authored-by: Abby Sassel <3883855+sassela@users.noreply.github.com>
Co-authored-by: Philip Lykke Carlsen <358550+plcplc@users.noreply.github.com>
GitOrigin-RevId: 936f138c80d7a928180e6e7b0c4da64ecc1f7ebc
2021-10-01 12:53:15 +00:00

61 lines
4.0 KiB
SQL

-- SCHEMA_NAME(..)
SELECT ISNULL(
(SELECT object.name, object.schema_id, object.object_id, object.type_desc,
JSON_QUERY([schema].json) AS [joined_sys_schema],
JSON_QUERY([column].json) AS [joined_sys_column],
JSON_QUERY([primary_key].json) AS [joined_sys_primary_key]
FROM sys.objects object
CROSS APPLY (SELECT [column].name, [column].column_id, [column].is_nullable, [column].is_identity, [column].user_type_id,
JSON_QUERY([types].json) AS [joined_sys_type],
JSON_QUERY(ISNULL([relationships].json,'[]')) AS [joined_foreign_key_columns]
FROM sys.columns [column]
CROSS APPLY (SELECT name, schema_id, user_type_id FROM sys.types [type]
WHERE [type].user_type_id = [column].user_type_id
FOR JSON PATH, WITHOUT_ARRAY_WRAPPER)
AS [types](json)
CROSS APPLY (SELECT fk.*,
referenced_table.name AS joined_referenced_table_name,
referenced_column.name AS joined_referenced_column_name,
JSON_QUERY([schema].json) AS [joined_referenced_sys_schema]
FROM sys.foreign_key_columns [fk],
sys.objects AS referenced_table,
sys.columns AS referenced_column
CROSS APPLY (SELECT [schema].name, [schema].schema_id
FROM sys.schemas [schema]
WHERE [schema].schema_id = object.schema_id
FOR JSON PATH, WITHOUT_ARRAY_WRAPPER)
AS [schema](json)
WHERE [object].object_id = fk.parent_object_id
AND [referenced_table].object_id = fk.referenced_object_id
AND [referenced_column].object_id = [referenced_table].object_id
AND [referenced_column].column_id = fk.referenced_column_id
AND [column].column_id = fk.parent_column_id
FOR JSON PATH)
AS [relationships](json)
WHERE [column].object_id = object.object_id
FOR JSON PATH)
AS [column](json)
CROSS APPLY (SELECT [schema].name, [schema].schema_id
FROM sys.schemas [schema]
WHERE [schema].schema_id = object.schema_id
FOR JSON PATH, WITHOUT_ARRAY_WRAPPER)
AS [schema](json)
CROSS APPLY (SELECT pk.name, pk.index_id, JSON_QUERY([cols].json) AS columns
FROM sys.indexes pk
CROSS APPLY (SELECT col.name
FROM sys.index_columns ic
INNER JOIN sys.columns col
ON col.column_id = ic.column_id
AND col.object_id = ic.object_id
WHERE ic.object_id = pk.object_id
AND ic.index_id = pk.index_id
FOR JSON PATH)
AS [cols](json)
WHERE pk.object_id = object.object_id
AND pk.is_primary_key = 1
FOR JSON PATH, WITHOUT_ARRAY_WRAPPER)
AS [primary_key](json)
WHERE object.type_desc IN ('USER_TABLE', 'VIEW')
FOR JSON PATH)
, '[]')