Hein
165623bb1d
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* Introduce new templates for creating unique, check, and foreign key constraints with existence checks. * Add templates for setting sequence values and creating sequences. * Refactor existing SQL generation logic to utilize new templates for better maintainability and readability. * Ensure identifiers are properly quoted to handle special characters and reserved keywords.
19 lines
514 B
Cheetah
19 lines
514 B
Cheetah
DO $$
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DECLARE
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m_cnt bigint;
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BEGIN
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IF EXISTS (
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SELECT 1 FROM pg_class c
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INNER JOIN pg_namespace n ON n.oid = c.relnamespace
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WHERE c.relname = '{{.SequenceName}}'
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AND n.nspname = '{{.SchemaName}}'
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AND c.relkind = 'S'
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) THEN
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SELECT COALESCE(MAX({{quote_ident .ColumnName}}), 0) + 1
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FROM {{quote_ident .SchemaName}}.{{quote_ident .TableName}}
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INTO m_cnt;
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PERFORM setval('{{quote_ident .SchemaName}}.{{quote_ident .SequenceName}}'::regclass, m_cnt);
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END IF;
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END;
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$$; |