Skip to content

[Feature] Support truncate event for flinkcdc #400

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

Open
jhnwh wants to merge 1 commit into
base: main
Choose a base branch
from
Open

[Feature] Support truncate event for flinkcdc #400

Changes from all commits
Commits
Show all changes
1 commit
Select commit
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
35 changes: 35 additions & 0 deletions src/main/java/com/starrocks/connector/flink/catalog/StarRocksCatalog.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -140,6 +140,36 @@ public void createDatabase(String databaseName, boolean ignoreIfExists)
}
}


/**
* Truncate a table.
*
* @param databaseName Name of the database
* @param tableName Name of the table
* @throws StarRocksCatalogException in case of any runtime exception
*/
public void truncateTable(String databaseName, String tableName)
throws StarRocksCatalogException {
Preconditions.checkArgument(
!StringUtils.isNullOrWhitespaceOnly(databaseName),
"database name cannot be null or empty.");
Preconditions.checkArgument(
!StringUtils.isNullOrWhitespaceOnly(tableName),
"table name cannot be null or empty.");
String sql = buildTruncateTableSql(databaseName, tableName);
try {
executeUpdateStatement(sql);
LOG.info("Successful to truncate table {}.{}, sql: {}", databaseName, tableName, sql);
} catch (Exception e) {
LOG.info("Failed to truncate table {}.{}, sql: {}", databaseName, tableName, sql, e);
throw new StarRocksCatalogException(
String.format(
"Failed to truncate table %s.%s",
databaseName, tableName),
e);
}
}

/**
* Returns a {@link StarRocksTable} identified by the given databaseName and tableName.
*
Expand Down Expand Up @@ -519,6 +549,11 @@ private String buildCreateDatabaseSql(String databaseName, boolean ignoreIfExist
"CREATE DATABASE %s%s;", ignoreIfExists ? "IF NOT EXISTS " : "", databaseName);
}

private String buildTruncateTableSql(String databaseName, String tableName) {
return String.format(
"TRUNCATE TABLE %s.%s;", databaseName, tableName);
}

private String buildCreateTableSql(StarRocksTable table, boolean ignoreIfExists) {
StringBuilder builder = new StringBuilder();
builder.append(
Expand Down