Skip to content

fix(shadowtable): bad sql grammer when table column's default value is a string type in MySQL #2388

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
yhilmare merged 3 commits into from
May 14, 2024
Merged

fix(shadowtable): bad sql grammer when table column's default value is a string type in MySQL #2388

Changes from 1 commit
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
60ccb9b
fix default value
MarkPotato777 May 14, 2024
ef971c6
fix structure compare
PeachThinking May 14, 2024
3047e04
response to review
PeachThinking May 14, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
32 changes: 32 additions & 0 deletions ...service/src/main/java/com/oceanbase/odc/service/shadowtable/ShadowTableComparingTask.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@

import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Objects;
import java.util.concurrent.Callable;
Expand Down Expand Up @@ -44,6 +45,8 @@
import com.oceanbase.tools.dbbrowser.editor.DBTableEditor;
import com.oceanbase.tools.dbbrowser.model.DBConstraintType;
import com.oceanbase.tools.dbbrowser.model.DBTable;
import com.oceanbase.tools.dbbrowser.model.DBTableColumn;
import com.oceanbase.tools.dbbrowser.model.datatype.DataTypeUtil;

import lombok.NonNull;
import lombok.extern.slf4j.Slf4j;
Expand Down Expand Up @@ -104,6 +107,10 @@ public Void call() {
dbTableService.getTables(connectionSession, schemaName).entrySet().stream()
.filter(entry -> allRealTableNames.contains(entry.getKey()))
.collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
if (connectionSession.getDialectType().isMysql()) {
tableName2Tables.values().stream().forEach(table -> quoteColumnDefaultValues(table));
}

} catch (Exception ex) {
log.warn("fetch table meta information failed, ex={}", ex);
comparingEntities.forEach(tableComparingEntity -> {
Expand Down Expand Up @@ -209,4 +216,29 @@ public GenerateTableDDLResp generateUpdateDDLWithoutRenaming(@NotNull Connection
.previousIdentity(TableIdentity.of(req.getPrevious().getSchemaName(), req.getPrevious().getName()))
.build();
}

private void quoteColumnDefaultValues(DBTable table) {
if (!CollectionUtils.isEmpty(table.getColumns())) {
table.getColumns().forEach(column -> {
String defaultValue = column.getDefaultValue();
if (StringUtils.isNotEmpty(defaultValue)) {
if (!isDefaultValueBuiltInFunction(column)) {
column.setDefaultValue("'".concat(defaultValue.replace("'", "''")).concat("'"));
}
}
});
}
}

/**
* Check whether the data_default contain built in function. Any of the synonyms for
* CURRENT_TIMESTAMP have the same meaning as CURRENT_TIMESTAMP. These are CURRENT_TIMESTAMP(),
* NOW(), LOCALTIME, LOCALTIME(), LOCALTIMESTAMP, and LOCALTIMESTAMP().
*/
private boolean isDefaultValueBuiltInFunction(DBTableColumn column) {
return com.oceanbase.tools.dbbrowser.util.StringUtils.isEmpty(column.getDefaultValue())
|| (!DataTypeUtil.isStringType(column.getTypeName())
&& column.getDefaultValue().trim().toUpperCase(Locale.getDefault())
.startsWith("CURRENT_TIMESTAMP"));
}
}