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f4cd7102b5
Mostly for completeness, but I believe there are cases to use that in multicolumn GIN indexes. Bump btree_gin module version Author: Matheus Oliveira Reviewed by: Tomas Vondra Discussion: https://www.postgresql.org/message-id/flat/CAJghg4LMJf6Z13fnZD-MBNiGxzd0cA2=F3TDjNkX3eQH58hktQ@mail.gmail.com
23 lines
901 B
SQL
23 lines
901 B
SQL
set enable_seqscan=off;
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CREATE TABLE test_bpchar (
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i char(10)
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);
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INSERT INTO test_bpchar VALUES ('a'),('ab'),('abc'),('abc '),('abb'),('axy'),('xyz'),('xyz ');
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CREATE INDEX idx_bpchar ON test_bpchar USING gin (i);
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SELECT * FROM test_bpchar WHERE i<'abc' ORDER BY i;
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SELECT * FROM test_bpchar WHERE i<='abc' ORDER BY i;
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SELECT * FROM test_bpchar WHERE i='abc' ORDER BY i;
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SELECT * FROM test_bpchar WHERE i='abc ' ORDER BY i;
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SELECT * FROM test_bpchar WHERE i>='abc' ORDER BY i;
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SELECT * FROM test_bpchar WHERE i>'abc' ORDER BY i;
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EXPLAIN (COSTS OFF) SELECT * FROM test_bpchar WHERE i<'abc' ORDER BY i;
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EXPLAIN (COSTS OFF) SELECT * FROM test_bpchar WHERE i<='abc' ORDER BY i;
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EXPLAIN (COSTS OFF) SELECT * FROM test_bpchar WHERE i='abc' ORDER BY i;
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EXPLAIN (COSTS OFF) SELECT * FROM test_bpchar WHERE i>='abc' ORDER BY i;
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EXPLAIN (COSTS OFF) SELECT * FROM test_bpchar WHERE i>'abc' ORDER BY i;
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