change README.md
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README.md
@ -46,13 +46,11 @@ mvn liquibase:history > liquibase_log/liquibase_log_history-$(date +%Y%m%d%H%M%S
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```
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```sql
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DO $$ DECLARE
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r RECORD;
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BEGIN
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FOR r IN (SELECT tablename FROM pg_tables WHERE schemaname =
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'public') LOOP
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EXECUTE 'DROP TABLE IF EXISTS ' || quote_ident(r.tablename) || '
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CASCADE';
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END LOOP;
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END $$;
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do $$ declare
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r record;
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begin
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for r in (select tablename from pg_tables where schemaname = 'my-schema-name') loop
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execute 'drop table if exists public.' || quote_ident(r.tablename) || ' cascade';
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end loop;
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end $$;
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```
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