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b48a626d02
- complexity comes from dreaming about EXPLAIN queries as an ordinary ones returning scalar result. So they can be used in SQL tests instead of shell ones
22 lines
1.0 KiB
Bash
Executable File
22 lines
1.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
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# shellcheck source=../shell_config.sh
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. "$CURDIR"/../shell_config.sh
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[ ! -z "$CLICKHOUSE_CLIENT_REDEFINED" ] && CLICKHOUSE_CLIENT=$CLICKHOUSE_CLIENT_REDEFINED
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##################
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# check that both queries have the same AST after rewrite, EXPLAIN SYNTAX returns it in form of query
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##################
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QUERY_ORDER_BY="SELECT number AS a, number % 2 AS b FROM numbers(10) ORDER BY a DESC NULLS FIRST WITH FILL FROM 2 TO 1 STEP -1, b DESC NULLS FIRST WITH FILL FROM 2 TO 1 STEP -1"
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QUERY_ORDER_BY_TUPLE="SELECT number AS a, number % 2 AS b FROM numbers(10) ORDER BY (a, b) DESC NULLS FIRST WITH FILL FROM 2 TO 1 STEP -1"
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EXPLAIN="EXPLAIN SYNTAX"
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OUTPUT_EXPLAIN_ORDER_BY=$($CLICKHOUSE_CLIENT -q "$EXPLAIN $QUERY_ORDER_BY")
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echo $OUTPUT_EXPLAIN_ORDER_BY
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OUTPUT_EXPLAIN_ORDER_BY_TUPLE=$($CLICKHOUSE_CLIENT -q "$EXPLAIN $QUERY_ORDER_BY_TUPLE")
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echo $OUTPUT_EXPLAIN_ORDER_BY_TUPLE
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[ "$OUTPUT_EXPLAIN_ORDER_BY" == "$OUTPUT_EXPLAIN_ORDER_BY_TUPLE" ] && echo "OK"
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