Java Code Examples for org.apache.calcite.sql.SqlJoin#getLeft()
The following examples show how to use
org.apache.calcite.sql.SqlJoin#getLeft() .
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Example 1
Source File: SqlValidatorImpl.java From Flink-CEPplus with Apache License 2.0 | 5 votes |
private void lookupJoinHints( SqlJoin join, SqlValidatorScope scope, SqlParserPos pos, Collection<SqlMoniker> hintList) { SqlNode left = join.getLeft(); SqlNode right = join.getRight(); SqlNode condition = join.getCondition(); lookupFromHints(left, scope, pos, hintList); if (hintList.size() > 0) { return; } lookupFromHints(right, scope, pos, hintList); if (hintList.size() > 0) { return; } final JoinConditionType conditionType = join.getConditionType(); final SqlValidatorScope joinScope = scopes.get(join); switch (conditionType) { case ON: condition.findValidOptions(this, joinScope, pos, hintList); return; default: // No suggestions. // Not supporting hints for other types such as 'Using' yet. return; } }
Example 2
Source File: SqlValidatorImpl.java From flink with Apache License 2.0 | 5 votes |
private void lookupJoinHints( SqlJoin join, SqlValidatorScope scope, SqlParserPos pos, Collection<SqlMoniker> hintList) { SqlNode left = join.getLeft(); SqlNode right = join.getRight(); SqlNode condition = join.getCondition(); lookupFromHints(left, scope, pos, hintList); if (hintList.size() > 0) { return; } lookupFromHints(right, scope, pos, hintList); if (hintList.size() > 0) { return; } final JoinConditionType conditionType = join.getConditionType(); final SqlValidatorScope joinScope = scopes.get(join); switch (conditionType) { case ON: condition.findValidOptions(this, joinScope, pos, hintList); return; default: // No suggestions. // Not supporting hints for other types such as 'Using' yet. return; } }
Example 3
Source File: SqlParseUtil.java From alchemy with Apache License 2.0 | 5 votes |
private static void parseFrom(SqlNode from, List<String> sources, List<String> udfs) throws SqlParseException { SqlKind sqlKind = from.getKind(); switch (sqlKind) { case IDENTIFIER: SqlIdentifier identifier = (SqlIdentifier)from; addSource(sources, identifier.getSimple()); break; case AS: SqlBasicCall sqlBasicCall = (SqlBasicCall)from; parseFrom(sqlBasicCall.operand(0), sources, udfs); break; case SELECT: parseSource((SqlSelect)from, sources, udfs); break; case JOIN: SqlJoin sqlJoin = (SqlJoin)from; SqlNode left = sqlJoin.getLeft(); SqlNode right = sqlJoin.getRight(); parseFrom(left, sources, udfs); parseFrom(right, sources, udfs); break; case LATERAL: SqlBasicCall basicCall = (SqlBasicCall)from; SqlNode childNode = basicCall.getOperands()[0]; parseFunction(childNode, udfs); default: } }