oceanbase.yaml•8.72 kB
# Copyright 2025 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
sources:
oceanbase-source:
kind: oceanbase
host: ${OCEANBASE_HOST}
port: ${OCEANBASE_PORT}
database: ${OCEANBASE_DATABASE}
user: ${OCEANBASE_USER}
password: ${OCEANBASE_PASSWORD}
tools:
execute_sql:
kind: oceanbase-execute-sql
source: oceanbase-source
description: Use this tool to execute SQL.
list_tables:
kind: oceanbase-sql
source: oceanbase-source
description: "Lists detailed schema information (object type, columns, constraints, indexes, triggers, comment) as JSON for user-created tables (ordinary or partitioned). Filters by a comma-separated list of names. If names are omitted, lists all tables in user schemas."
statement: |
SELECT
T.TABLE_SCHEMA AS schema_name,
T.TABLE_NAME AS object_name,
CONVERT( JSON_OBJECT(
'schema_name', T.TABLE_SCHEMA,
'object_name', T.TABLE_NAME,
'object_type', 'TABLE',
'owner', (
SELECT
IFNULL(U.GRANTEE, 'N/A')
FROM
INFORMATION_SCHEMA.SCHEMA_PRIVILEGES U
WHERE
U.TABLE_SCHEMA = T.TABLE_SCHEMA
LIMIT 1
),
'comment', IFNULL(T.TABLE_COMMENT, ''),
'columns', (
SELECT
IFNULL(
JSON_ARRAYAGG(
JSON_OBJECT(
'column_name', C.COLUMN_NAME,
'data_type', C.COLUMN_TYPE,
'ordinal_position', C.ORDINAL_POSITION,
'is_not_nullable', IF(C.IS_NULLABLE = 'NO', TRUE, FALSE),
'column_default', C.COLUMN_DEFAULT,
'column_comment', IFNULL(C.COLUMN_COMMENT, '')
)
),
JSON_ARRAY()
)
FROM
INFORMATION_SCHEMA.COLUMNS C
WHERE
C.TABLE_SCHEMA = T.TABLE_SCHEMA AND C.TABLE_NAME = T.TABLE_NAME
ORDER BY C.ORDINAL_POSITION
),
'constraints', (
SELECT
IFNULL(
JSON_ARRAYAGG(
JSON_OBJECT(
'constraint_name', TC.CONSTRAINT_NAME,
'constraint_type',
CASE TC.CONSTRAINT_TYPE
WHEN 'PRIMARY KEY' THEN 'PRIMARY KEY'
WHEN 'FOREIGN KEY' THEN 'FOREIGN KEY'
WHEN 'UNIQUE' THEN 'UNIQUE'
ELSE TC.CONSTRAINT_TYPE
END,
'constraint_definition', '',
'constraint_columns', (
SELECT
IFNULL(JSON_ARRAYAGG(KCU.COLUMN_NAME), JSON_ARRAY())
FROM
INFORMATION_SCHEMA.KEY_COLUMN_USAGE KCU
WHERE
KCU.CONSTRAINT_SCHEMA = TC.CONSTRAINT_SCHEMA
AND KCU.CONSTRAINT_NAME = TC.CONSTRAINT_NAME
AND KCU.TABLE_NAME = TC.TABLE_NAME
ORDER BY KCU.ORDINAL_POSITION
),
'foreign_key_referenced_table', IF(TC.CONSTRAINT_TYPE = 'FOREIGN KEY', RC.REFERENCED_TABLE_NAME, NULL),
'foreign_key_referenced_columns', IF(TC.CONSTRAINT_TYPE = 'FOREIGN KEY',
(SELECT IFNULL(JSON_ARRAYAGG(FKCU.REFERENCED_COLUMN_NAME), JSON_ARRAY())
FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE FKCU
WHERE FKCU.CONSTRAINT_SCHEMA = TC.CONSTRAINT_SCHEMA
AND FKCU.CONSTRAINT_NAME = TC.CONSTRAINT_NAME
AND FKCU.TABLE_NAME = TC.TABLE_NAME
AND FKCU.REFERENCED_TABLE_NAME IS NOT NULL
ORDER BY FKCU.ORDINAL_POSITION),
NULL
)
)
),
JSON_ARRAY()
)
FROM
INFORMATION_SCHEMA.TABLE_CONSTRAINTS TC
LEFT JOIN
INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS RC
ON TC.CONSTRAINT_SCHEMA = RC.CONSTRAINT_SCHEMA
AND TC.CONSTRAINT_NAME = RC.CONSTRAINT_NAME
AND TC.TABLE_NAME = RC.TABLE_NAME
WHERE
TC.TABLE_SCHEMA = T.TABLE_SCHEMA AND TC.TABLE_NAME = T.TABLE_NAME
),
'indexes', (
SELECT
IFNULL(
JSON_ARRAYAGG(
JSON_OBJECT(
'index_name', IndexData.INDEX_NAME,
'is_unique', IF(IndexData.NON_UNIQUE = 0, TRUE, FALSE),
'is_primary', IF(IndexData.INDEX_NAME = 'PRIMARY', TRUE, FALSE),
'index_columns', IFNULL(IndexData.INDEX_COLUMNS_ARRAY, JSON_ARRAY())
)
),
JSON_ARRAY()
)
FROM (
SELECT
S.TABLE_SCHEMA,
S.TABLE_NAME,
S.INDEX_NAME,
MIN(S.NON_UNIQUE) AS NON_UNIQUE, -- Aggregate NON_UNIQUE here to get unique status for the index
JSON_ARRAYAGG(S.COLUMN_NAME) AS INDEX_COLUMNS_ARRAY -- Aggregate columns into an array for this index
FROM
INFORMATION_SCHEMA.STATISTICS S
WHERE
S.TABLE_SCHEMA = T.TABLE_SCHEMA AND S.TABLE_NAME = T.TABLE_NAME
GROUP BY
S.TABLE_SCHEMA, S.TABLE_NAME, S.INDEX_NAME
) AS IndexData
ORDER BY IndexData.INDEX_NAME
),
'triggers', (
SELECT
IFNULL(
JSON_ARRAYAGG(
JSON_OBJECT(
'trigger_name', TR.TRIGGER_NAME,
'trigger_definition', TR.ACTION_STATEMENT
)
),
JSON_ARRAY()
)
FROM
INFORMATION_SCHEMA.TRIGGERS TR
WHERE
TR.EVENT_OBJECT_SCHEMA = T.TABLE_SCHEMA AND TR.EVENT_OBJECT_TABLE = T.TABLE_NAME
ORDER BY TR.TRIGGER_NAME
)
) USING utf8mb4) AS object_details
FROM
INFORMATION_SCHEMA.TABLES T
WHERE
T.TABLE_SCHEMA NOT IN ('mysql', 'information_schema', 'performance_schema', 'sys')
AND (NULLIF(TRIM(?), '') IS NULL OR FIND_IN_SET(T.TABLE_NAME, ?))
AND T.TABLE_TYPE = 'BASE TABLE'
ORDER BY
T.TABLE_SCHEMA, T.TABLE_NAME;
parameters:
- name: table_names
type: string
description: "Optional: A comma-separated list of table names. If empty, details for all tables in user-accessible schemas will be listed."
toolsets:
oceanbase_database_tools:
- execute_sql
- list_tables