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fix: fix every loadDatabasePrecision call will execute sql query error

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秦冲 2022-12-29 13:42:06 +08:00
parent 056702bcba
commit 2a1543118d
1 changed files with 2 additions and 0 deletions
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tdenginewriter/src/main/java/com/alibaba/datax/plugin/writer/tdenginewriter/Schema3_0Manager.java
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@ -106,6 +106,8 @@ public class Schema3_0Manager extends SchemaManager {
@Override @Override
public TimestampPrecision loadDatabasePrecision() throws DataXException { public TimestampPrecision loadDatabasePrecision() throws DataXException {
if (this.precision != null)
return this.precision;
try (Statement stmt = conn.createStatement()) { try (Statement stmt = conn.createStatement()) {
ResultSet rs = stmt.executeQuery("select * from " + Constants.INFORMATION_SCHEMA + Constants.INFORMATION_SCHEMA_COMMA ResultSet rs = stmt.executeQuery("select * from " + Constants.INFORMATION_SCHEMA + Constants.INFORMATION_SCHEMA_COMMA
+ Constants.INFORMATION_SCHEMA_TABLE_INS_DATABASES + " where name = " + getDbnameForSqlQuery()); + Constants.INFORMATION_SCHEMA_TABLE_INS_DATABASES + " where name = " + getDbnameForSqlQuery());