Merge pull request #11388 from dataease/pr@dev-v2@fixDS

Pr@dev v2@fix ds
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taojinlong 2024-08-07 09:23:18 +08:00 committed by GitHub
commit 66dc4aadaa
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4 changed files with 53 additions and 28 deletions

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@ -101,34 +101,47 @@ public class SqlparserUtils {
private static void handleFromItems(PlainSelect plainSelect, String dsType) throws Exception {
FromItem fromItem = plainSelect.getFromItem();
if (fromItem instanceof ParenthesedSelect) {
if (((ParenthesedSelect) fromItem).getSelect() instanceof SetOperationList) {
StringBuilder result = new StringBuilder();
SetOperationList setOperationList = (SetOperationList) ((ParenthesedSelect) fromItem).getSelect().getSelectBody();
for (int i = 0; i < setOperationList.getSelects().size(); i++) {
result.append(handlePlainSelect((PlainSelect) setOperationList.getSelects().get(i), null, dsType));
if (i < setOperationList.getSelects().size() - 1) {
result.append(" ").append(setOperationList.getOperations().get(i).toString()).append(" ");
}
}
} else {
PlainSelect selectBody = ((ParenthesedSelect) fromItem).getSelect().getPlainSelect();
Select subSelectTmp = (Select) CCJSqlParserUtil.parse(removeVariables(selectBody.toString(), dsType));
((ParenthesedSelect) fromItem).setSelect(subSelectTmp.getSelectBody());
if (dsType.equals(DatasourceConfiguration.DatasourceType.oracle.getType())) {
if (fromItem.getAlias() != null) {
fromItem.setAlias(new Alias(fromItem.getAlias().toString(), false));
}
} else {
if (fromItem.getAlias() == null) {
throw new Exception("Failed to parse sql, Every derived table must have its own alias");
}
fromItem.setAlias(new Alias(fromItem.getAlias().toString(), false));
handleParenthesedSelect(fromItem, dsType);
plainSelect.setFromItem(fromItem);
} else {
if (fromItem instanceof ParenthesedFromItem) {
fromItem = ((ParenthesedFromItem) fromItem).getFromItem();
while (fromItem instanceof ParenthesedFromItem) {
fromItem = ((ParenthesedFromItem) fromItem).getFromItem();
}
handleParenthesedSelect(fromItem, dsType);
}
plainSelect.setFromItem(fromItem);
}
}
private static void handleParenthesedSelect(FromItem fromItem, String dsType) throws Exception {
if (((ParenthesedSelect) fromItem).getSelect() instanceof SetOperationList) {
StringBuilder result = new StringBuilder();
SetOperationList setOperationList = (SetOperationList) ((ParenthesedSelect) fromItem).getSelect().getSelectBody();
for (int i = 0; i < setOperationList.getSelects().size(); i++) {
result.append(handlePlainSelect((PlainSelect) setOperationList.getSelects().get(i), null, dsType));
if (i < setOperationList.getSelects().size() - 1) {
result.append(" ").append(setOperationList.getOperations().get(i).toString()).append(" ");
}
}
} else {
PlainSelect selectBody = ((ParenthesedSelect) fromItem).getSelect().getPlainSelect();
Select subSelectTmp = (Select) CCJSqlParserUtil.parse(removeVariables(selectBody.toString(), dsType));
((ParenthesedSelect) fromItem).setSelect(subSelectTmp.getSelectBody());
if (dsType.equals(DatasourceConfiguration.DatasourceType.oracle.getType())) {
if (fromItem.getAlias() != null) {
fromItem.setAlias(new Alias(fromItem.getAlias().toString(), false));
}
} else {
if (fromItem.getAlias() == null) {
throw new Exception("Failed to parse sql, Every derived table must have its own alias");
}
fromItem.setAlias(new Alias(fromItem.getAlias().toString(), false));
}
}
}
private static void handleJoins(PlainSelect plainSelect, String dsType) throws Exception {
List<Join> joins = plainSelect.getJoins();
if (joins != null) {

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@ -30,6 +30,8 @@ public class FieldUtils {
case "DATETIMEOFFSET":
case "SMALLDATETIME":
case "DATETIME64":
case "_TIMESTAMPTZ":
case "TIMESTAMPTZ":
return 1;// 时间
case "INT":
case "SMALLINT":

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@ -98,15 +98,18 @@ public class CalciteProvider extends Provider {
@Override
public List<DatasetTableDTO> getTables(DatasourceRequest datasourceRequest) {
List<DatasetTableDTO> tables = new ArrayList<>();
List<String> tablesSqls = getTablesSql(datasourceRequest);
for (String tablesSql : tablesSqls) {
try (ConnectionObj con = getConnection(datasourceRequest.getDatasource()); Statement statement = getStatement(con.getConnection(), 30); ResultSet resultSet = statement.executeQuery(tablesSql)) {
try (ConnectionObj con = getConnection(datasourceRequest.getDatasource()); Statement statement = getStatement(con.getConnection(), 30)) {
datasourceRequest.setDsVersion(con.getConnection().getMetaData().getDatabaseMajorVersion());
List<String> tablesSqls = getTablesSql(datasourceRequest);
for (String tablesSql : tablesSqls) {
ResultSet resultSet = statement.executeQuery(tablesSql);
while (resultSet.next()) {
tables.add(getTableDesc(datasourceRequest, resultSet));
}
} catch (Exception e) {
DEException.throwException(e.getMessage());
}
} catch (Exception e) {
DEException.throwException(e.getMessage());
}
return tables;
}
@ -237,6 +240,7 @@ public class CalciteProvider extends Provider {
ResultSet resultSet = null;
try (ConnectionObj con = getConnection(datasourceRequest.getDatasource());
Statement statement = getStatement(con.getConnection(), 30)) {
datasourceRequest.setDsVersion(con.getConnection().getMetaData().getDatabaseMajorVersion());
if (datasourceRequest.getDatasource().getType().equalsIgnoreCase("mongo") || datasourceRequest.getDatasource().getType().equalsIgnoreCase("doris")) {
resultSet = statement.executeQuery("select * from " + table + " limit 0 offset 0 ");
return fetchResultField(resultSet);
@ -1054,7 +1058,12 @@ public class CalciteProvider extends Provider {
String[] databasePrams = matcher.group(3).split("\\?");
database = databasePrams[0];
}
tableSqls.add("SELECT name, comment FROM system.tables where database='DATABASE';".replace("DATABASE", database));
if(datasourceRequest.getDsVersion() < 22){
tableSqls.add("SELECT name, name FROM system.tables where database='DATABASE';".replace("DATABASE", database));
}else {
tableSqls.add("SELECT name, comment FROM system.tables where database='DATABASE';".replace("DATABASE", database));
}
break;
default:

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@ -15,6 +15,7 @@ public class DatasourceRequest implements Serializable {
protected String query;
protected String table;
protected DatasourceDTO datasource;
private Integer dsVersion;
private Integer pageSize;
private Integer page;
private Integer realSize;