polardbxengine/mysql-test/suite/xengine_sysschema/t/v_schema_redundant_indexes....

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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;