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Add getDataLength for numeric without precision #351

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Merged
merged 2 commits into from
Oct 31, 2024
Merged

Add getDataLength for numeric without precision #351

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5bfe0e8
Add getDataLength for numeric without precision
shin1103 Oct 16, 2024
4a240b0
Add comment why getDataLength return value change 131089 to 0
shin1103 Oct 20, 2024
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11 changes: 8 additions & 3 deletions ...put-postgresql/src/main/java/org/embulk/output/postgresql/PostgreSQLOutputConnection.java
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@
public class PostgreSQLOutputConnection
extends JdbcOutputConnection
{
private static final int MIN_NUMERIC_PRECISION = 1;
private static final int MAX_NUMERIC_PRECISION = 1000;

public PostgreSQLOutputConnection(Connection connection, String schemaName, String roleName)
Expand Down Expand Up @@ -263,9 +264,13 @@ protected String buildColumnTypeName(JdbcColumn c)
}
break;
case "NUMERIC": // only "NUMERIC" because PostgreSQL JDBC driver will return also "NUMERIC" for the type name of decimal.
if (c.getDataLength() > MAX_NUMERIC_PRECISION) {
// getDataLength for numeric without precision will return 131089 .
// but cannot create column of numeric(131089) .
if (c.getDataLength() > MAX_NUMERIC_PRECISION || c.getDataLength() < MIN_NUMERIC_PRECISION) {
// getDataLength for numeric without precision will return 0 or 131089 .
// but cannot create column of numeric(0) and numeric(131089) .
// before PostgreSQL JDBC driver 42.2.23, return 131089. from 42.2.23 return 0.
// release note: https://jdbc.postgresql.org/changelogs/2021-07-06-42.2.23-release/
// issue: https://github.com/pgjdbc/pgjdbc/issues/2188
// pull request: https://github.com/pgjdbc/pgjdbc/pull/2189
return "NUMERIC";
}
break;
Expand Down