File: v_schema_redundant_indexes.test

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# Result differences depending on FS case sensitivity.
if (!$require_case_insensitive_file_system)
{
  --source include/have_case_sensitive_file_system.inc
}

-- source ../include/ps_truncate_all_tables.inc
# Tests for sys schema
# Verify the sys.schema_redundant_indexes / x$schema_flattened_keys views

# Ensure structure changes don't slip in
DESC sys.schema_redundant_indexes;

# Make sure view select does not error, but ignore results
--disable_result_log
SELECT * FROM sys.schema_redundant_indexes;
--enable_result_log


# Ensure structure changes don't slip in
DESC sys.x$schema_flattened_keys;

# Make sure view select does not error, but ignore results
--disable_result_log
SELECT * FROM sys.x$schema_flattened_keys;
--enable_result_log

# Test correctly identifies keys

CREATE DATABASE rkey;

CREATE TABLE rkey.rkey (
  i INT,
  j INT,
  k INT,
  PRIMARY KEY (i),
  KEY (j),
  KEY (j, k),
  KEY (i, j, k)
 );

 SELECT * FROM sys.schema_redundant_indexes ORDER BY table_name, dominant_index_name;

 DROP DATABASE rkey;