query_optimizer/tests/execution_generator/Index.test

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#   http://www.apache.org/licenses/LICENSE-2.0
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CREATE TABLE foo3 (col1 INT, col2 INT);
CREATE INDEX idx1 ON foo3(col1) USING CSBTREE;
SELECT * FROM foo3;
--
+-----------+-----------+
|col1       |col2       |
+-----------+-----------+
+-----------+-----------+
==
CREATE INDEX idx2 ON foo3(col1) USING CSBTREE;
--
ERROR: The relation foo3 already defines this index on the given attribute(s).
==
CREATE INDEX idx2 ON foo3(col2) USING CSBTREE;
SELECT * FROM foo3;
--
+-----------+-----------+
|col1       |col2       |
+-----------+-----------+
+-----------+-----------+
==
# Compound index creation should succeed, even when
# separate indices are defined on individual attributes.
CREATE INDEX idx3 ON foo3(col1, col2) USING CSBTREE;
SELECT * FROM foo3;
--
+-----------+-----------+
|col1       |col2       |
+-----------+-----------+
+-----------+-----------+
==
# Bloom filter index is not currently implemented.
CREATE INDEX idx4 ON foo3(col1, col2) USING BLOOMFILTER;
SELECT * FROM foo3;
--
+-----------+-----------+
|col1       |col2       |
+-----------+-----------+
+-----------+-----------+
==
# Specifying no columns will index all the columns.
# Calling INSERT will force creation of the block.
CREATE TABLE smaTable1 (int_attr int, str_attr VARCHAR(20));
CREATE INDEX smaIndex ON smaTable1 USING SMA;
INSERT INTO smaTable1 VALUES (1, 'val1');
SELECT COUNT(*) FROM smaTable1;
--
+--------------------+
|COUNT(*)            |
+--------------------+
|                   1|
+--------------------+
==
# SMA can also specify an index on selected columns.
# Calling INSERT will force creation of the block.
CREATE TABLE smaTable2 (int_attr int, str_attr VARCHAR(20));
CREATE INDEX smaIndex2 ON smaTable2(int_attr) USING SMA;
INSERT INTO smaTable2 VALUES (1, 'val1');
SELECT COUNT(*) FROM smaTable2;
--
+--------------------+
|COUNT(*)            |
+--------------------+
|                   1|
+--------------------+