mirror of https://github.com/buster-so/buster.git
12 lines
485 B
SQL
12 lines
485 B
SQL
-- Migration: add_unique_constraint_on_datasets
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-- Created: 2025-01-09-183703
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-- Original: 2025-01-09-183703_add_unique_constraint_on_datasets
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-- First delete any duplicate rows
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DELETE FROM datasets a USING datasets b
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WHERE a.id > b.id
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AND a.database_name = b.database_name
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AND a.data_source_id = b.data_source_id;
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ALTER TABLE datasets
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ADD CONSTRAINT datasets_database_name_data_source_id_key UNIQUE (database_name, data_source_id); |