Merge pull request IvorySQL#1289 from 3296442201/master

Add SYS.USER_CONS_COLUMNS view and test case

Author: gaoxueyu

contrib/ivorysql_ora/expected/ora_sysview.out

@@ -181,3 +181,47 @@ ORDER BY NAME;
  listen_addresses | 2    |                        | localhost     | FALSE     | FALSE            | FALSE            | Sets the host name or IP address(es) to listen to.
 (5 rows)
 
+-- USER_CONS_COLUMNS
+CREATE TABLE TEST_USER_CONS_COLUMNS (
+    ID INT NOT NULL,
+    NAME VARCHAR2(30) NOT NULL,
+    AGE INT NOT NULL,
+    EMAIL VARCHAR2(50),
+    CONSTRAINT PK_TEST PRIMARY KEY (ID, NAME),
+    CONSTRAINT UQ_EMAIL UNIQUE (EMAIL)
+);
+SELECT TABLE_NAME, CONSTRAINT_NAME, COLUMN_NAME, POSITION
+FROM SYS.USER_CONS_COLUMNS
+WHERE TABLE_NAME = 'TEST_USER_CONS_COLUMNS'
+AND CONSTRAINT_NAME LIKE '%NOT_NULL%'
+ORDER BY CONSTRAINT_NAME, COLUMN_NAME;
+       table_name       |           constraint_name            | column_name | position 
+------------------------+--------------------------------------+-------------+----------
+ TEST_USER_CONS_COLUMNS | TEST_USER_CONS_COLUMNS_AGE_NOT_NULL  | AGE         | 1
+ TEST_USER_CONS_COLUMNS | TEST_USER_CONS_COLUMNS_ID_NOT_NULL   | ID          | 1
+ TEST_USER_CONS_COLUMNS | TEST_USER_CONS_COLUMNS_NAME_NOT_NULL | NAME        | 1
+(3 rows)
+
+SELECT TABLE_NAME, CONSTRAINT_NAME, COLUMN_NAME, POSITION
+FROM SYS.USER_CONS_COLUMNS
+WHERE TABLE_NAME = 'TEST_USER_CONS_COLUMNS'
+AND CONSTRAINT_NAME = 'PK_TEST'
+ORDER BY CONSTRAINT_NAME, POSITION;
+       table_name       | constraint_name | column_name | position 
+------------------------+-----------------+-------------+----------
+ TEST_USER_CONS_COLUMNS | PK_TEST         | ID          | 1
+ TEST_USER_CONS_COLUMNS | PK_TEST         | NAME        | 2
+(2 rows)
+
+SELECT TABLE_NAME, CONSTRAINT_NAME, COLUMN_NAME, POSITION
+FROM SYS.USER_CONS_COLUMNS
+WHERE TABLE_NAME = 'TEST_USER_CONS_COLUMNS'
+AND CONSTRAINT_NAME = 'UQ_EMAIL'
+ORDER BY CONSTRAINT_NAME, COLUMN_NAME;
+       table_name       | constraint_name | column_name | position 
+------------------------+-----------------+-------------+----------
+ TEST_USER_CONS_COLUMNS | UQ_EMAIL        | EMAIL       | 1
+(1 row)
+
+-- Clean
+DROP TABLE IF EXISTS TEST_USER_CONS_COLUMNS;

contrib/ivorysql_ora/sql/ora_sysview.sql

@@ -90,3 +90,35 @@ SELECT *
 FROM SYS.V$PARAMETER 
 WHERE NAME IN ('listen_addresses','application_name','archive_command','archive_mode','block_size')
 ORDER BY NAME;
+
+-- USER_CONS_COLUMNS
+CREATE TABLE TEST_USER_CONS_COLUMNS (
+    ID INT NOT NULL,
+    NAME VARCHAR2(30) NOT NULL,
+    AGE INT NOT NULL,
+    EMAIL VARCHAR2(50),
+    CONSTRAINT PK_TEST PRIMARY KEY (ID, NAME),
+    CONSTRAINT UQ_EMAIL UNIQUE (EMAIL)
+);
+
+SELECT TABLE_NAME, CONSTRAINT_NAME, COLUMN_NAME, POSITION
+FROM SYS.USER_CONS_COLUMNS
+WHERE TABLE_NAME = 'TEST_USER_CONS_COLUMNS'
+AND CONSTRAINT_NAME LIKE '%NOT_NULL%'
+ORDER BY CONSTRAINT_NAME, COLUMN_NAME;
+
+SELECT TABLE_NAME, CONSTRAINT_NAME, COLUMN_NAME, POSITION
+FROM SYS.USER_CONS_COLUMNS
+WHERE TABLE_NAME = 'TEST_USER_CONS_COLUMNS'
+AND CONSTRAINT_NAME = 'PK_TEST'
+ORDER BY CONSTRAINT_NAME, POSITION;
+
+
+SELECT TABLE_NAME, CONSTRAINT_NAME, COLUMN_NAME, POSITION
+FROM SYS.USER_CONS_COLUMNS
+WHERE TABLE_NAME = 'TEST_USER_CONS_COLUMNS'
+AND CONSTRAINT_NAME = 'UQ_EMAIL'
+ORDER BY CONSTRAINT_NAME, COLUMN_NAME;
+
+-- Clean
+DROP TABLE IF EXISTS TEST_USER_CONS_COLUMNS;

contrib/ivorysql_ora/src/sysview/sysview--1.0.sql

@@ -1273,3 +1273,28 @@ SELECT
     SHORT_DESC::VARCHAR2(255) AS DESCRIPTION
 FROM PG_SETTINGS;
 
+/* USER_CONS_COLUMNS */
+CREATE OR REPLACE VIEW SYS.USER_CONS_COLUMNS AS
+	SELECT
+		SYS.ORA_CASE_TRANS(PG_GET_USERBYID(C.RELOWNER)::VARCHAR2)::VARCHAR2(128) AS OWNER,
+		SYS.ORA_CASE_TRANS(C.RELNAME::VARCHAR2)::VARCHAR2(128) AS TABLE_NAME,
+		SYS.ORA_CASE_TRANS(CON.CONNAME::VARCHAR2)::VARCHAR2(128) AS CONSTRAINT_NAME,
+		SYS.ORA_CASE_TRANS(ATT.ATTNAME::VARCHAR2)::VARCHAR2(128) AS COLUMN_NAME,
+		ARRAY_POSITION(CON.CONKEY, ATT.ATTNUM)::NUMBER AS POSITION
+	FROM
+		PG_CONSTRAINT AS CON
+	JOIN PG_CLASS AS C
+		ON CON.CONRELID = C.OID
+	JOIN PG_ATTRIBUTE AS ATT
+		ON ATT.ATTRELID = C.OID
+		AND ATT.ATTNUM = ANY(CON.CONKEY)
+	WHERE
+		C.RELOWNER::REGROLE = CURRENT_USER::REGROLE
+		AND C.RELNAMESPACE != 'PG_CATALOG'::REGNAMESPACE::OID
+		AND C.RELNAMESPACE != 'PG_TOAST'::REGNAMESPACE::OID
+		AND C.RELNAMESPACE != 'INFORMATION_SCHEMA'::REGNAMESPACE::OID
+ORDER BY
+	TABLE_NAME, CONSTRAINT_NAME, COLUMN_NAME
+; 
+GRANT SELECT ON SYS.USER_CONS_COLUMNS TO PUBLIC;
+