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enh: add constants for tdengine 3.0 adaptation

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秦冲 2022-12-28 11:01:28 +08:00
parent f772adad0d
commit 73dffe31a6
1 changed files with 30 additions and 0 deletions
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30
tdenginewriter/src/main/java/com/alibaba/datax/plugin/writer/tdenginewriter/Constants.java
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@ -5,4 +5,34 @@ public class Constants {
public static final String DEFAULT_PASSWORD = "taosdata";
public static final int DEFAULT_BATCH_SIZE = 1;
public static final boolean DEFAULT_IGNORE_TAGS_UNMATCHED = false;
// ----------------- tdengine version -------------------
public static final String SERVER_VERSION_2 = "2";
public static final String SERVER_VERSION_3 = "3";
public static final String SERVER_VERSION = "server_version()";
// ----------------- schema -------------------
public static final String INFORMATION_SCHEMA = "information_schema";
public static final String INFORMATION_SCHEMA_TABLE_INS_DATABASES = "ins_databases";
public static final String INFORMATION_SCHEMA_TABLE_INS_STABLES = "ins_stables";
public static final String INFORMATION_SCHEMA_TABLE_INS_TABLES = "ins_tables";
public static final String INFORMATION_SCHEMA_COMMA = ".";
// ----------------- table meta -------------------
public static final String TABLE_META_DB_NAME = "db_name";
public static final String TABLE_META_SUP_TABLE_NAME = "stable_name";
public static final String TABLE_META_TABLE_NAME = "table_name";
public static final String TABLE_META_COLUMNS = "columns";
public static final String TABLE_META_TAGS = "tags";
public static final String COLUMN_META_FIELD = "field";
public static final String COLUMN_META_TYPE = "type";
public static final String COLUMN_META_LENGTH = "length";
public static final String COLUMN_META_NOTE = "note";
public static final String COLUMN_META_NOTE_TAG = "TAG";
// ----------------- database meta -------------------
public static final String DATABASE_META_PRECISION = "precision";
}