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CREATE TABLE tbl (id int, field1 int); INSERT INTO tbl (id, field1) VALUES (1, 52814), (2, 52814), (3, 52814), (4, 52814), (6, 52814), (6, 52814), (6, 52814); CREATE INDEX iii ON tbl (id); SELECT COUNT(*) from tbl where field1=52814;

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