# src/allographer/schema_builder/usecases/postgres/alter

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# Imports

../../../query_builder/models/postgres/postgres_types, ../../models/table, ../../models/column, ../../enums, ../sub/migration_table_def, create_query_def, ../../queries/postgres/create_migration_table, ../../queries/postgres/add_column, ../../queries/postgres/change_column, ../../queries/postgres/rename_column, ../../queries/postgres/drop_column, ../../queries/postgres/rename_table

# Procs

    proc alter(rdb: PostgresConnections; tables: varargs[Table]) {....raises: [DbError,
        KeyError, ValueError, Exception, OSError, IOError, CatchableError], tags: [
        ReadIOEffect, TimeEffect, RootEffect, WriteDirEffect, ReadDirEffect,
        WriteIOEffect], forbids: [].}