let limit and offset use bind parameter #6806
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Hi @jasonchuan thank you for your pr, can you please fix those failed tests? |
ok I'll fix those later! |
…e added a wrong one called pgx.QueryExecModeSimpleProtocol , causing the SQL with limit problem need 1 parameter ,but given two.
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@jinzhu got the job done , please approve the postgress commit (go-gorm/postgres#239) first. because the stmt.Vars is polluted by gorm.io/driver/[email protected]/migrator.go:598 ,we must get the vars ok for bindvar method of postgress driver first. |
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Feb 2, 2024
saeidee
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Feb 4, 2024
saeidee
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Feb 5, 2024
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Hi @jasonchuan, thanks for PR. But can I ask one more thing? Is the change |
iTanken
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Feb 18, 2024
Ref: go-gorm/gorm/pull/6806 Signed-off-by: liutianqi <[email protected]>
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What did this pull request do?
two changes for solving the limt and offset problem which is possible to cause continuously increasing of prepared_stmt_count of mysql , max_prepared_stmt_count value range is 0 - 1048576 and default 16382.
User Case Description
the caller used while true ugly code to call our api , our api has bugs for no checking if the limit and offset is below the total row number . limit and offset was going far away from the row count . a number of sql would be prepared in mysql ,much more than max_prepared_stmt_count .
FATAL: MySQL error: 1461 "Can't create more than max_prepared_stmt_count statements (current value: 1048576 )"