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Use precision and scale from BQ numeric/bignumeric field instead of assuming max value #1265

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Use precision and scale from BQ numeric/bignumeric field instead of assuming max value #1265

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9 changes: 1 addition & 8 deletions src/main/java/io/cdap/plugin/gcp/bigquery/util/BigQueryUtil.java
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Original file line number Diff line number Diff line change
Expand Up @@ -36,15 +36,13 @@
import com.google.common.collect.ImmutableSet;
import io.cdap.cdap.api.data.schema.Schema;
import io.cdap.cdap.etl.api.FailureCollector;
import io.cdap.cdap.etl.api.action.SettableArguments;
import io.cdap.cdap.etl.api.validation.InvalidConfigPropertyException;
import io.cdap.cdap.etl.api.validation.InvalidStageException;
import io.cdap.cdap.etl.api.validation.ValidationFailure;
import io.cdap.plugin.gcp.bigquery.sink.BigQuerySink;
import io.cdap.plugin.gcp.bigquery.source.BigQuerySource;
import io.cdap.plugin.gcp.bigquery.source.BigQuerySourceConfig;
import io.cdap.plugin.gcp.bigquery.util.BigQueryTypeSize.BigNumeric;
import io.cdap.plugin.gcp.bigquery.util.BigQueryTypeSize.Numeric;
import io.cdap.plugin.gcp.common.GCPConfig;
import io.cdap.plugin.gcp.common.GCPUtils;
import io.cdap.plugin.gcp.gcs.GCSPath;
Expand Down Expand Up @@ -307,13 +305,8 @@ public static Schema convertFieldType(Field field, @Nullable FailureCollector co
case TIMESTAMP:
return Schema.of(Schema.LogicalType.TIMESTAMP_MICROS);
case NUMERIC:
// bigquery has Numeric.PRECISION digits of precision and Numeric.SCALE digits of scale for NUMERIC.
// https://cloud.google.com/bigquery/docs/reference/standard-sql/data-types#decimal_types
return Schema.decimalOf(Numeric.PRECISION, Numeric.SCALE);
case BIGNUMERIC:
// bigquery has BigNumeric.PRECISION digits of precision and BigNumeric.SCALE digits of scale for BIGNUMERIC.
// https://cloud.google.com/bigquery/docs/reference/standard-sql/data-types#decimal_types
return Schema.decimalOf(BigNumeric.PRECISION, BigNumeric.SCALE);
return Schema.decimalOf(Math.toIntExact(field.getPrecision()), Math.toIntExact(field.getScale()));
case STRUCT:
FieldList fields = field.getSubFields();
List<Schema.Field> schemaFields = new ArrayList<>();
Expand Down