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ExpressionDeParser.java
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1875 lines (1593 loc) · 61.7 KB
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/*-
* #%L
* JSQLParser library
* %%
* Copyright (C) 2004 - 2019 JSQLParser
* %%
* Dual licensed under GNU LGPL 2.1 or Apache License 2.0
* #L%
*/
package net.sf.jsqlparser.util.deparser;
import static java.util.stream.Collectors.joining;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import net.sf.jsqlparser.expression.AllValue;
import net.sf.jsqlparser.expression.AnalyticExpression;
import net.sf.jsqlparser.expression.AnalyticType;
import net.sf.jsqlparser.expression.AnyComparisonExpression;
import net.sf.jsqlparser.expression.ArrayConstructor;
import net.sf.jsqlparser.expression.ArrayExpression;
import net.sf.jsqlparser.expression.BinaryExpression;
import net.sf.jsqlparser.expression.BooleanValue;
import net.sf.jsqlparser.expression.CaseExpression;
import net.sf.jsqlparser.expression.CastExpression;
import net.sf.jsqlparser.expression.CollateExpression;
import net.sf.jsqlparser.expression.ConnectByPriorOperator;
import net.sf.jsqlparser.expression.ConnectByRootOperator;
import net.sf.jsqlparser.expression.DateTimeLiteralExpression;
import net.sf.jsqlparser.expression.DateUnitExpression;
import net.sf.jsqlparser.expression.DateValue;
import net.sf.jsqlparser.expression.DoubleValue;
import net.sf.jsqlparser.expression.Expression;
import net.sf.jsqlparser.expression.ExpressionVisitor;
import net.sf.jsqlparser.expression.ExtractExpression;
import net.sf.jsqlparser.expression.Function;
import net.sf.jsqlparser.expression.HexValue;
import net.sf.jsqlparser.expression.HighExpression;
import net.sf.jsqlparser.expression.IntervalExpression;
import net.sf.jsqlparser.expression.Inverse;
import net.sf.jsqlparser.expression.JdbcNamedParameter;
import net.sf.jsqlparser.expression.JdbcParameter;
import net.sf.jsqlparser.expression.JsonAggregateFunction;
import net.sf.jsqlparser.expression.JsonExpression;
import net.sf.jsqlparser.expression.JsonFunction;
import net.sf.jsqlparser.expression.JsonTableFunction;
import net.sf.jsqlparser.expression.KeepExpression;
import net.sf.jsqlparser.expression.KeyExpression;
import net.sf.jsqlparser.expression.LambdaExpression;
import net.sf.jsqlparser.expression.LongValue;
import net.sf.jsqlparser.expression.LowExpression;
import net.sf.jsqlparser.expression.MySQLGroupConcat;
import net.sf.jsqlparser.expression.NextValExpression;
import net.sf.jsqlparser.expression.NotExpression;
import net.sf.jsqlparser.expression.NullValue;
import net.sf.jsqlparser.expression.NumericBind;
import net.sf.jsqlparser.expression.OracleHierarchicalExpression;
import net.sf.jsqlparser.expression.OracleHint;
import net.sf.jsqlparser.expression.OracleNamedFunctionParameter;
import net.sf.jsqlparser.expression.OverlapsCondition;
import net.sf.jsqlparser.expression.PostgresNamedFunctionParameter;
import net.sf.jsqlparser.expression.RangeExpression;
import net.sf.jsqlparser.expression.RowConstructor;
import net.sf.jsqlparser.expression.RowGetExpression;
import net.sf.jsqlparser.expression.SignedExpression;
import net.sf.jsqlparser.expression.StringValue;
import net.sf.jsqlparser.expression.StructType;
import net.sf.jsqlparser.expression.TimeKeyExpression;
import net.sf.jsqlparser.expression.TimeValue;
import net.sf.jsqlparser.expression.TimestampValue;
import net.sf.jsqlparser.expression.TimezoneExpression;
import net.sf.jsqlparser.expression.TranscodingFunction;
import net.sf.jsqlparser.expression.TrimFunction;
import net.sf.jsqlparser.expression.UserVariable;
import net.sf.jsqlparser.expression.VariableAssignment;
import net.sf.jsqlparser.expression.WhenClause;
import net.sf.jsqlparser.expression.WindowElement;
import net.sf.jsqlparser.expression.XMLSerializeExpr;
import net.sf.jsqlparser.expression.operators.arithmetic.Addition;
import net.sf.jsqlparser.expression.operators.arithmetic.BitwiseAnd;
import net.sf.jsqlparser.expression.operators.arithmetic.BitwiseLeftShift;
import net.sf.jsqlparser.expression.operators.arithmetic.BitwiseOr;
import net.sf.jsqlparser.expression.operators.arithmetic.BitwiseRightShift;
import net.sf.jsqlparser.expression.operators.arithmetic.BitwiseXor;
import net.sf.jsqlparser.expression.operators.arithmetic.Concat;
import net.sf.jsqlparser.expression.operators.arithmetic.Division;
import net.sf.jsqlparser.expression.operators.arithmetic.IntegerDivision;
import net.sf.jsqlparser.expression.operators.arithmetic.Modulo;
import net.sf.jsqlparser.expression.operators.arithmetic.Multiplication;
import net.sf.jsqlparser.expression.operators.arithmetic.Subtraction;
import net.sf.jsqlparser.expression.operators.conditional.AndExpression;
import net.sf.jsqlparser.expression.operators.conditional.OrExpression;
import net.sf.jsqlparser.expression.operators.conditional.XorExpression;
import net.sf.jsqlparser.expression.operators.relational.Between;
import net.sf.jsqlparser.expression.operators.relational.ContainedBy;
import net.sf.jsqlparser.expression.operators.relational.Contains;
import net.sf.jsqlparser.expression.operators.relational.CosineSimilarity;
import net.sf.jsqlparser.expression.operators.relational.DoubleAnd;
import net.sf.jsqlparser.expression.operators.relational.EqualsTo;
import net.sf.jsqlparser.expression.operators.relational.ExcludesExpression;
import net.sf.jsqlparser.expression.operators.relational.ExistsExpression;
import net.sf.jsqlparser.expression.operators.relational.ExpressionList;
import net.sf.jsqlparser.expression.operators.relational.FullTextSearch;
import net.sf.jsqlparser.expression.operators.relational.GeometryDistance;
import net.sf.jsqlparser.expression.operators.relational.GreaterThan;
import net.sf.jsqlparser.expression.operators.relational.GreaterThanEquals;
import net.sf.jsqlparser.expression.operators.relational.InExpression;
import net.sf.jsqlparser.expression.operators.relational.IncludesExpression;
import net.sf.jsqlparser.expression.operators.relational.IsBooleanExpression;
import net.sf.jsqlparser.expression.operators.relational.IsDistinctExpression;
import net.sf.jsqlparser.expression.operators.relational.IsNullExpression;
import net.sf.jsqlparser.expression.operators.relational.IsUnknownExpression;
import net.sf.jsqlparser.expression.operators.relational.JsonOperator;
import net.sf.jsqlparser.expression.operators.relational.LikeExpression;
import net.sf.jsqlparser.expression.operators.relational.Matches;
import net.sf.jsqlparser.expression.operators.relational.MemberOfExpression;
import net.sf.jsqlparser.expression.operators.relational.MinorThan;
import net.sf.jsqlparser.expression.operators.relational.MinorThanEquals;
import net.sf.jsqlparser.expression.operators.relational.NotEqualsTo;
import net.sf.jsqlparser.expression.operators.relational.OldOracleJoinBinaryExpression;
import net.sf.jsqlparser.expression.operators.relational.Plus;
import net.sf.jsqlparser.expression.operators.relational.PriorTo;
import net.sf.jsqlparser.expression.operators.relational.RegExpMatchOperator;
import net.sf.jsqlparser.expression.operators.relational.SimilarToExpression;
import net.sf.jsqlparser.expression.operators.relational.SupportsOldOracleJoinSyntax;
import net.sf.jsqlparser.expression.operators.relational.TSQLLeftJoin;
import net.sf.jsqlparser.expression.operators.relational.TSQLRightJoin;
import net.sf.jsqlparser.schema.Column;
import net.sf.jsqlparser.schema.Table;
import net.sf.jsqlparser.statement.create.table.ColDataType;
import net.sf.jsqlparser.statement.piped.FromQuery;
import net.sf.jsqlparser.statement.select.AllColumns;
import net.sf.jsqlparser.statement.select.AllTableColumns;
import net.sf.jsqlparser.statement.select.FunctionAllColumns;
import net.sf.jsqlparser.statement.select.OrderByElement;
import net.sf.jsqlparser.statement.select.ParenthesedSelect;
import net.sf.jsqlparser.statement.select.Select;
import net.sf.jsqlparser.statement.select.SelectItem;
import net.sf.jsqlparser.statement.select.SelectVisitor;
import net.sf.jsqlparser.statement.select.WithItem;
@SuppressWarnings({"PMD.CyclomaticComplexity"})
public class ExpressionDeParser extends AbstractDeParser<Expression>
// FIXME maybe we should implement an ItemsListDeparser too?
implements ExpressionVisitor<StringBuilder> {
private static final String NOT = "NOT ";
private SelectVisitor<StringBuilder> selectVisitor;
private OrderByDeParser orderByDeParser = new OrderByDeParser();
public ExpressionDeParser() {
super(new StringBuilder());
}
public ExpressionDeParser(SelectVisitor<StringBuilder> selectVisitor, StringBuilder buffer) {
this(selectVisitor, buffer, new OrderByDeParser());
}
ExpressionDeParser(SelectVisitor<StringBuilder> selectVisitor, StringBuilder buffer,
OrderByDeParser orderByDeParser) {
super(buffer);
this.selectVisitor = selectVisitor;
this.orderByDeParser = orderByDeParser;
}
@Override
public <S> StringBuilder visit(Addition addition, S context) {
deparse(addition, " + ", null);
return builder;
}
@Override
public <S> StringBuilder visit(AndExpression andExpression, S context) {
deparse(andExpression, andExpression.isUseOperator() ? " && " : " AND ",
null);
return builder;
}
@Override
public <S> StringBuilder visit(Between between, S context) {
between.getLeftExpression().accept(this, context);
if (between.isNot()) {
builder.append(" NOT");
}
builder.append(" BETWEEN ");
if (between.isUsingSymmetric()) {
builder.append("SYMMETRIC ");
} else if (between.isUsingAsymmetric()) {
builder.append("ASYMMETRIC ");
}
between.getBetweenExpressionStart().accept(this, context);
builder.append(" AND ");
between.getBetweenExpressionEnd().accept(this, context);
return builder;
}
@Override
public <S> StringBuilder visit(OverlapsCondition overlapsCondition, S context) {
builder.append(overlapsCondition.toString());
return builder;
}
@Override
public <S> StringBuilder visit(EqualsTo equalsTo, S context) {
deparse(equalsTo, " = ", null);
return builder;
}
@Override
public <S> StringBuilder visit(Division division, S context) {
deparse(division, " / ", null);
return builder;
}
@Override
public <S> StringBuilder visit(IntegerDivision division, S context) {
deparse(division, " DIV ", null);
return builder;
}
@Override
public <S> StringBuilder visit(DoubleValue doubleValue, S context) {
builder.append(doubleValue.toString());
return builder;
}
@Override
public <S> StringBuilder visit(HexValue hexValue, S context) {
builder.append(hexValue.toString());
return builder;
}
@Override
public <S> StringBuilder visit(NotExpression notExpr, S context) {
if (notExpr.isExclamationMark()) {
builder.append("! ");
} else {
builder.append(NOT);
}
notExpr.getExpression().accept(this, context);
return builder;
}
@Override
public <S> StringBuilder visit(BitwiseRightShift expr, S context) {
deparse(expr, " >> ", null);
return builder;
}
@Override
public <S> StringBuilder visit(BitwiseLeftShift expr, S context) {
deparse(expr, " << ", null);
return builder;
}
public <S> StringBuilder deparse(
OldOracleJoinBinaryExpression expression,
String operator, S context) {
// if (expression.isNot()) {
// buffer.append(NOT);
// }
expression.getLeftExpression().accept(this, context);
if (expression.getOldOracleJoinSyntax() == EqualsTo.ORACLE_JOIN_RIGHT) {
builder.append("(+)");
}
builder.append(operator);
expression.getRightExpression().accept(this, context);
if (expression.getOldOracleJoinSyntax() == EqualsTo.ORACLE_JOIN_LEFT) {
builder.append("(+)");
}
return builder;
}
@Override
public <S> StringBuilder visit(GreaterThan greaterThan, S context) {
deparse(greaterThan, " > ", null);
return builder;
}
@Override
public <S> StringBuilder visit(GreaterThanEquals greaterThanEquals, S context) {
deparse(greaterThanEquals, " >= ", null);
return builder;
}
public void visit(Addition addition) {
visit(addition, null);
}
public void visit(AndExpression andExpression) {
visit(andExpression, null);
}
public void visit(Between between) {
visit(between, null);
}
public void visit(OverlapsCondition overlapsCondition) {
visit(overlapsCondition, null);
}
public void visit(EqualsTo equalsTo) {
visit(equalsTo, null);
}
public void visit(Division division) {
visit(division, null);
}
public void visit(IntegerDivision division) {
visit(division, null);
}
public void visit(DoubleValue doubleValue) {
visit(doubleValue, null);
}
public void visit(HexValue hexValue) {
visit(hexValue, null);
}
public void visit(NotExpression notExpr) {
visit(notExpr, null);
}
public void visit(BitwiseRightShift expr) {
visit(expr, null);
}
public void visit(BitwiseLeftShift expr) {
visit(expr, null);
}
@Override
public <S> StringBuilder visit(InExpression inExpression, S context) {
inExpression.getLeftExpression().accept(this, context);
if (inExpression
.getOldOracleJoinSyntax() == SupportsOldOracleJoinSyntax.ORACLE_JOIN_RIGHT) {
builder.append("(+)");
}
if (inExpression.isGlobal()) {
builder.append(" GLOBAL");
}
if (inExpression.isNot()) {
builder.append(" NOT");
}
builder.append(" IN ");
inExpression.getRightExpression().accept(this, context);
return builder;
}
@Override
public <S> StringBuilder visit(IncludesExpression includesExpression, S context) {
includesExpression.getLeftExpression().accept(this, context);
builder.append(" INCLUDES ");
includesExpression.getRightExpression().accept(this, context);
return builder;
}
@Override
public <S> StringBuilder visit(ExcludesExpression excludesExpression, S context) {
excludesExpression.getLeftExpression().accept(this, context);
builder.append(" EXCLUDES ");
excludesExpression.getRightExpression().accept(this, context);
return builder;
}
@Override
public <S> StringBuilder visit(FullTextSearch fullTextSearch, S context) {
// Build a list of matched columns
StringBuilder columnsListCommaSeperated = new StringBuilder();
Iterator<Column> iterator = fullTextSearch.getMatchColumns().iterator();
while (iterator.hasNext()) {
Column col = iterator.next();
columnsListCommaSeperated.append(col.getFullyQualifiedName());
if (iterator.hasNext()) {
columnsListCommaSeperated.append(",");
}
}
builder.append("MATCH (").append(columnsListCommaSeperated).append(") AGAINST (")
.append(fullTextSearch.getAgainstValue())
.append(fullTextSearch.getSearchModifier() != null
? " " + fullTextSearch.getSearchModifier()
: "")
.append(")");
return builder;
}
@Override
public <S> StringBuilder visit(SignedExpression signedExpression, S context) {
builder.append(signedExpression.getSign());
signedExpression.getExpression().accept(this, context);
return builder;
}
@Override
public <S> StringBuilder visit(IsNullExpression isNullExpression, S context) {
isNullExpression.getLeftExpression().accept(this, context);
if (isNullExpression.isUseNotNull()) {
builder.append(" NOTNULL");
} else if (isNullExpression.isUseIsNull()) {
if (isNullExpression.isNot()) {
builder.append(" NOT ISNULL");
} else {
builder.append(" ISNULL");
}
} else {
if (isNullExpression.isNot()) {
builder.append(" IS NOT NULL");
} else {
builder.append(" IS NULL");
}
}
return builder;
}
@Override
public <S> StringBuilder visit(IsBooleanExpression isBooleanExpression, S context) {
isBooleanExpression.getLeftExpression().accept(this, context);
if (isBooleanExpression.isTrue()) {
if (isBooleanExpression.isNot()) {
builder.append(" IS NOT TRUE");
} else {
builder.append(" IS TRUE");
}
} else {
if (isBooleanExpression.isNot()) {
builder.append(" IS NOT FALSE");
} else {
builder.append(" IS FALSE");
}
}
return builder;
}
@Override
public <S> StringBuilder visit(IsUnknownExpression isUnknownExpression, S context) {
isUnknownExpression.getLeftExpression().accept(this, context);
if (isUnknownExpression.isNot()) {
builder.append(" IS NOT UNKNOWN");
} else {
builder.append(" IS UNKNOWN");
}
return builder;
}
@Override
public <S> StringBuilder visit(JdbcParameter jdbcParameter, S context) {
builder.append(jdbcParameter.getParameterCharacter());
if (jdbcParameter.isUseFixedIndex()) {
builder.append(jdbcParameter.getIndex());
}
return builder;
}
@Override
public <S> StringBuilder visit(LikeExpression likeExpression, S context) {
String keywordStr = likeExpression.getLikeKeyWord() == LikeExpression.KeyWord.SIMILAR_TO
? " SIMILAR TO"
: likeExpression.getLikeKeyWord().toString();
likeExpression.getLeftExpression().accept(this, context);
builder.append(" ");
if (likeExpression.isNot()) {
builder.append("NOT ");
}
builder.append(keywordStr).append(" ");
if (likeExpression.isUseBinary()) {
builder.append("BINARY ");
}
likeExpression.getRightExpression().accept(this, context);
Expression escape = likeExpression.getEscape();
if (escape != null) {
builder.append(" ESCAPE ");
likeExpression.getEscape().accept(this, context);
}
return builder;
}
@Override
public <S> StringBuilder visit(ExistsExpression existsExpression, S context) {
if (existsExpression.isNot()) {
builder.append("NOT EXISTS ");
} else {
builder.append("EXISTS ");
}
existsExpression.getRightExpression().accept(this, context);
return builder;
}
@Override
public <S> StringBuilder visit(MemberOfExpression memberOfExpression, S context) {
memberOfExpression.getLeftExpression().accept(this, context);
if (memberOfExpression.isNot()) {
builder.append(" NOT MEMBER OF ");
} else {
builder.append(" MEMBER OF ");
}
memberOfExpression.getRightExpression().accept(this, context);
return builder;
}
public void visit(InExpression inExpression) {
visit(inExpression, null);
}
public void visit(IncludesExpression includesExpression) {
visit(includesExpression, null);
}
public void visit(ExcludesExpression excludesExpression) {
visit(excludesExpression, null);
}
public void visit(FullTextSearch fullTextSearch) {
visit(fullTextSearch, null);
}
public void visit(SignedExpression signedExpression) {
visit(signedExpression, null);
}
public void visit(IsNullExpression isNullExpression) {
visit(isNullExpression, null);
}
public void visit(IsBooleanExpression isBooleanExpression) {
visit(isBooleanExpression, null);
}
public void visit(IsUnknownExpression isUnknownExpression) {
visit(isUnknownExpression, null);
}
public void visit(JdbcParameter jdbcParameter) {
visit(jdbcParameter, null);
}
public void visit(LikeExpression likeExpression) {
visit(likeExpression, null);
}
public void visit(ExistsExpression existsExpression) {
visit(existsExpression, null);
}
public void visit(MemberOfExpression memberOfExpression) {
visit(memberOfExpression, null);
}
@Override
public <S> StringBuilder visit(LongValue longValue, S context) {
builder.append(longValue.getStringValue());
return builder;
}
@Override
public <S> StringBuilder visit(MinorThan minorThan, S context) {
deparse(minorThan, " < ", null);
return builder;
}
@Override
public <S> StringBuilder visit(MinorThanEquals minorThanEquals, S context) {
deparse(minorThanEquals, " <= ", null);
return builder;
}
@Override
public <S> StringBuilder visit(Multiplication multiplication, S context) {
deparse(multiplication, " * ", null);
return builder;
}
@Override
public <S> StringBuilder visit(NotEqualsTo notEqualsTo, S context) {
deparse(notEqualsTo,
" " + notEqualsTo.getStringExpression() + " ", null);
return builder;
}
@Override
public <S> StringBuilder visit(DoubleAnd doubleAnd, S context) {
deparse(doubleAnd, " " + doubleAnd.getStringExpression() + " ",
null);
return builder;
}
@Override
public <S> StringBuilder visit(Contains contains, S context) {
deparse(contains, " " + contains.getStringExpression() + " ",
null);
return builder;
}
@Override
public <S> StringBuilder visit(ContainedBy containedBy, S context) {
deparse(containedBy,
" " + containedBy.getStringExpression() + " ", null);
return builder;
}
@Override
public <S> StringBuilder visit(NullValue nullValue, S context) {
builder.append(nullValue.toString());
return builder;
}
@Override
public <S> StringBuilder visit(OrExpression orExpression, S context) {
deparse(orExpression, " OR ", null);
return builder;
}
@Override
public <S> StringBuilder visit(XorExpression xorExpression, S context) {
deparse(xorExpression, " XOR ", null);
return builder;
}
@Override
public <S> StringBuilder visit(StringValue stringValue, S context) {
if (stringValue.getPrefix() != null) {
builder.append(stringValue.getPrefix());
}
builder.append(stringValue.getQuoteStr()).append(stringValue.getValue())
.append(stringValue.getQuoteStr());
return builder;
}
@Override
public <S> StringBuilder visit(BooleanValue booleanValue, S context) {
builder.append(booleanValue.getValue());
return builder;
}
@Override
public <S> StringBuilder visit(Subtraction subtraction, S context) {
deparse(subtraction, " - ", null);
return builder;
}
protected <S> void deparse(BinaryExpression binaryExpression,
String operator, S context) {
binaryExpression.getLeftExpression().accept(this, context);
builder.append(operator);
binaryExpression.getRightExpression().accept(this, context);
}
@Override
public <S> StringBuilder visit(Select select, S context) {
if (selectVisitor != null) {
if (select.getWithItemsList() != null) {
builder.append("WITH ");
for (Iterator<WithItem<?>> iter = select.getWithItemsList().iterator(); iter
.hasNext();) {
iter.next().accept(selectVisitor, null);
if (iter.hasNext()) {
builder.append(", ");
}
builder.append(" ");
}
builder.append(" ");
}
select.accept(selectVisitor, null);
}
return builder;
}
@Override
public <S> StringBuilder visit(TranscodingFunction transcodingFunction, S context) {
if (transcodingFunction.isTranscodeStyle()) {
builder.append(transcodingFunction.getKeyword());
builder.append("( ");
transcodingFunction.getExpression().accept(this, context);
builder.append(" USING ")
.append(transcodingFunction.getTranscodingName())
.append(" )");
} else {
builder
.append(transcodingFunction.getKeyword())
.append("( ")
.append(transcodingFunction.getColDataType())
.append(", ");
transcodingFunction.getExpression().accept(this, context);
String transCodingName = transcodingFunction.getTranscodingName();
if (transCodingName != null && !transCodingName.isEmpty()) {
builder.append(", ").append(transCodingName);
}
builder.append(" )");
}
return builder;
}
public <S> StringBuilder visit(TrimFunction trimFunction, S context) {
builder.append("Trim(");
if (trimFunction.getTrimSpecification() != null) {
builder.append(" ").append(trimFunction.getTrimSpecification());
}
if (trimFunction.getExpression() != null) {
builder.append(" ");
trimFunction.getExpression().accept(this, context);
}
if (trimFunction.getFromExpression() != null) {
builder.append(trimFunction.isUsingFromKeyword() ? " FROM " : ", ");
trimFunction.getFromExpression().accept(this, context);
}
builder.append(" )");
return builder;
}
public void visit(LongValue longValue) {
visit(longValue, null);
}
public void visit(MinorThan minorThan) {
visit(minorThan, null);
}
public void visit(MinorThanEquals minorThanEquals) {
visit(minorThanEquals, null);
}
public void visit(Multiplication multiplication) {
visit(multiplication, null);
}
public void visit(NotEqualsTo notEqualsTo) {
visit(notEqualsTo, null);
}
public void visit(DoubleAnd doubleAnd) {
visit(doubleAnd, null);
}
public void visit(Contains contains) {
visit(contains, null);
}
public void visit(ContainedBy containedBy) {
visit(containedBy, null);
}
public void visit(NullValue nullValue) {
visit(nullValue, null);
}
public void visit(OrExpression orExpression) {
visit(orExpression, null);
}
public void visit(XorExpression xorExpression) {
visit(xorExpression, null);
}
public void visit(StringValue stringValue) {
visit(stringValue, null);
}
public void visit(BooleanValue booleanValue) {
visit(booleanValue, null);
}
public void visit(Subtraction subtraction) {
visit(subtraction, null);
}
public void visit(Select select) {
visit(select, null);
}
public void visit(TranscodingFunction transcodingFunction) {
visit(transcodingFunction, null);
}
public void visit(TrimFunction trimFunction) {
visit(trimFunction, null);
}
@Override
public <S> StringBuilder visit(RangeExpression rangeExpression, S context) {
rangeExpression.getStartExpression().accept(this, context);
builder.append(":");
rangeExpression.getEndExpression().accept(this, context);
return builder;
}
@Override
public <S> StringBuilder visit(Column tableColumn, S context) {
final Table table = tableColumn.getTable();
String tableName = null;
if (table != null) {
if (table.getAlias() != null) {
tableName = table.getAlias().getName();
} else {
tableName = table.getFullyQualifiedName();
}
}
if (tableName != null && !tableName.isEmpty()) {
builder.append(tableName).append(tableColumn.getTableDelimiter());
}
builder.append(tableColumn.getColumnName());
if (tableColumn.getOldOracleJoinSyntax() != SupportsOldOracleJoinSyntax.NO_ORACLE_JOIN) {
builder.append("(+)");
}
if (tableColumn.getArrayConstructor() != null) {
tableColumn.getArrayConstructor().accept(this, context);
}
if (tableColumn.getCommentText() != null) {
builder.append(" /* ").append(tableColumn.getCommentText()).append("*/ ");
}
return builder;
}
@Override
@SuppressWarnings({"PMD.CyclomaticComplexity", "PMD.NPathComplexity"})
public <S> StringBuilder visit(Function function, S context) {
if (function.isEscaped()) {
builder.append("{fn ");
}
builder.append(function.getName());
if (function.getParameters() == null && function.getNamedParameters() == null) {
builder.append("()");
} else {
builder.append("(");
if (function.isDistinct()) {
builder.append("DISTINCT ");
} else if (function.isAllColumns()) {
builder.append("ALL ");
} else if (function.isUnique()) {
builder.append("UNIQUE ");
}
if (function.getExtraKeyword() != null) {
builder.append(function.getExtraKeyword()).append(" ");
}
if (function.getNamedParameters() != null) {
function.getNamedParameters().accept(this, context);
}
if (function.getParameters() != null) {
function.getParameters().accept(this, context);
}
Function.HavingClause havingClause = function.getHavingClause();
if (havingClause != null) {
builder.append(" HAVING ").append(havingClause.getHavingType()).append(" ");
havingClause.getExpression().accept(this, context);
}
if (function.getNullHandling() != null && !function.isIgnoreNullsOutside()) {
switch (function.getNullHandling()) {
case IGNORE_NULLS:
builder.append(" IGNORE NULLS");
break;
case RESPECT_NULLS:
builder.append(" RESPECT NULLS");
break;
}
}
if (function.getOrderByElements() != null) {
builder.append(" ORDER BY ");
boolean comma = false;
orderByDeParser.setExpressionVisitor(this);
orderByDeParser.setBuilder(builder);
for (OrderByElement orderByElement : function.getOrderByElements()) {
if (comma) {
builder.append(", ");
} else {
comma = true;
}
orderByDeParser.deParseElement(orderByElement);
}
}
if (function.getOnOverflowTruncate() != null) {
builder.append(" ON OVERFLOW ").append(function.getOnOverflowTruncate());
}
if (function.getLimit() != null) {
new LimitDeparser(this, builder).deParse(function.getLimit());
}
builder.append(")");
}
if (function.getChainedParameters() != null) {
builder.append("(");
function.getChainedParameters().accept(this, context);
builder.append(")");
}
if (function.getNullHandling() != null && function.isIgnoreNullsOutside()) {
switch (function.getNullHandling()) {
case IGNORE_NULLS:
builder.append(" IGNORE NULLS");
break;
case RESPECT_NULLS:
builder.append(" RESPECT NULLS");
break;
}
}
if (function.getAttribute() != null) {
builder.append(".").append(function.getAttribute());
}
if (function.getKeep() != null) {
builder.append(" ").append(function.getKeep());
}
if (function.isEscaped()) {
builder.append("}");
}
return builder;
}
@Override
public <S> StringBuilder visit(ParenthesedSelect selectBody, S context) {
selectBody.getSelect().accept(this, context);
return builder;
}
public SelectVisitor<StringBuilder> getSelectVisitor() {
return selectVisitor;
}
public void setSelectVisitor(SelectVisitor<StringBuilder> visitor) {
selectVisitor = visitor;
}
@Override
public <S> StringBuilder visit(DateValue dateValue, S context) {
builder.append("{d '").append(dateValue.getValue().toString()).append("'}");
return builder;
}
@Override
public <S> StringBuilder visit(TimestampValue timestampValue, S context) {
builder.append("{ts '").append(timestampValue.getValue().toString()).append("'}");
return builder;
}
@Override
public <S> StringBuilder visit(TimeValue timeValue, S context) {
builder.append("{t '").append(timeValue.getValue().toString()).append("'}");
return builder;
}
@Override
public <S> StringBuilder visit(CaseExpression caseExpression, S context) {
builder.append(caseExpression.isUsingBrackets() ? "(" : "").append("CASE ");
Expression switchExp = caseExpression.getSwitchExpression();
if (switchExp != null) {
switchExp.accept(this, context);
builder.append(" ");
}
for (Expression exp : caseExpression.getWhenClauses()) {
exp.accept(this, context);
}
Expression elseExp = caseExpression.getElseExpression();
if (elseExp != null) {
builder.append("ELSE ");