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PreparedStatement#getMetaData executes query #387

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olavloite opened this issue Mar 10, 2021 · 0 comments · Fixed by #388
Closed

PreparedStatement#getMetaData executes query #387

olavloite opened this issue Mar 10, 2021 · 0 comments · Fixed by #388
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@olavloite
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api: spanner Issues related to the googleapis/java-spanner-jdbc API. type: feature request ‘Nice-to-have’ improvement, new feature or different behavior or design.

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@olavloite
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Calling PreparedStatement.getMetaData() will execute the query of the PreparedStatement. That is both inefficient and does not work if the prepared statement has unbound parameters. Executing the query in PLAN mode is enough to retrieve the metadata, and also works if there are unbound parameters.
@olavloite olavloite added type: feature request ‘Nice-to-have’ improvement, new feature or different behavior or design. api: spanner Issues related to the googleapis/java-spanner-jdbc API. labels Mar 10, 2021
@olavloite olavloite self-assigned this Mar 10, 2021
@olavloite olavloite mentioned this issue Mar 10, 2021
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api: spanner Issues related to the googleapis/java-spanner-jdbc API. type: feature request ‘Nice-to-have’ improvement, new feature or different behavior or design.
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perf: use PLAN mode to get result metadata googleapis/java-spanner-jdbc
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