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com.querydsl.sql.SQLTemplates Maven / Gradle / Ivy
/*
* Copyright 2015, The Querydsl Team (http://www.querydsl.com/team)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.querydsl.sql;
import static com.google.common.base.CharMatcher.inRange;
import java.lang.reflect.Field;
import java.sql.Types;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.Set;
import com.google.common.base.CharMatcher;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import com.querydsl.core.*;
import com.querydsl.core.QueryFlag.Position;
import com.querydsl.core.types.*;
import com.querydsl.sql.dml.SQLInsertBatch;
import com.querydsl.sql.types.Type;
/**
* {@code SQLTemplates} extends {@link Templates} to provides SQL specific extensions
* and acts as database specific Dialect for Querydsl SQL
*
* @author tiwe
*/
public class SQLTemplates extends Templates {
protected static final Expression FOR_SHARE = ExpressionUtils.operation(
Object.class, SQLOps.FOR_SHARE, ImmutableList.>of());
protected static final Expression FOR_UPDATE = ExpressionUtils.operation(
Object.class, SQLOps.FOR_UPDATE, ImmutableList.>of());
protected static final Expression NO_WAIT = ExpressionUtils.operation(
Object.class, SQLOps.NO_WAIT, ImmutableList.>of());
protected static final int TIME_WITH_TIMEZONE = 2013;
protected static final int TIMESTAMP_WITH_TIMEZONE = 2014;
public static final Expression RECURSIVE = ExpressionUtils.template(Object.class, "");
@SuppressWarnings("FieldNameHidesFieldInSuperclass") //Intentional
public static final SQLTemplates DEFAULT = new SQLTemplates("\"",'\\',false);
protected static final Set OTHER_LIKE_CASES
= Sets.immutableEnumSet(Ops.ENDS_WITH, Ops.ENDS_WITH_IC,
Ops.LIKE_IC, Ops.LIKE_ESCAPE_IC,
Ops.STARTS_WITH, Ops.STARTS_WITH_IC,
Ops.STRING_CONTAINS, Ops.STRING_CONTAINS_IC);
private static final CharMatcher NON_UNDERSCORE_ALPHA_NUMERIC =
CharMatcher.is('_').or(inRange('a', 'z').or(inRange('A', 'Z'))).or(inRange('0', '9'))
.negate().precomputed();
private static final CharMatcher NON_UNDERSCORE_ALPHA =
CharMatcher.is('_').or(inRange('a', 'z').or(inRange('A', 'Z'))).negate().precomputed();
private final Set reservedWords;
/**
* Fluent builder for {@code SQLTemplates} instances *
*/
public abstract static class Builder {
protected boolean printSchema, quote, newLineToSingleSpace;
protected char escape = '\\';
public Builder printSchema() {
printSchema = true;
return this;
}
public Builder quote() {
quote = true;
return this;
}
public Builder newLineToSingleSpace() {
newLineToSingleSpace = true;
return this;
}
public Builder escape(char ch) {
escape = ch;
return this;
}
protected abstract SQLTemplates build(char escape, boolean quote);
public SQLTemplates build() {
SQLTemplates templates = build(escape, quote);
if (newLineToSingleSpace) {
templates.newLineToSingleSpace();
}
templates.setPrintSchema(printSchema);
return templates;
}
}
private final Map typeNameToCode = Maps.newHashMap();
private final Map codeToTypeName = Maps.newHashMap();
private final Map tableOverrides = Maps.newHashMap();
private final List> customTypes = Lists.newArrayList();
private final String quoteStr;
private final boolean useQuotes;
private final boolean requiresSchemaInWhere;
private boolean printSchema;
private String createTable = "create table ";
private String asc = " asc";
private String autoIncrement = " auto_increment";
private String columnAlias = " ";
private String count = "count ";
private String countStar = "count(*)";
private String crossJoin = ", ";
private String delete = "delete ";
private String desc = " desc";
private String distinctCountEnd = ")";
private String distinctCountStart = "count(distinct ";
private String dummyTable = "dual";
private String from = "\nfrom ";
private String fullJoin = "\nfull join ";
private String groupBy = "\ngroup by ";
private String having = "\nhaving ";
private String innerJoin = "\ninner join ";
private String insertInto = "insert into ";
private String join = "\njoin ";
private String key = "key";
private String leftJoin = "\nleft join ";
private String rightJoin = "\nright join ";
private String limitTemplate = "\nlimit {0}";
private String mergeInto = "merge into ";
private boolean nativeMerge;
private String notNull = " not null";
private String offsetTemplate = "\noffset {0}";
private String on = "\non ";
private String orderBy = "\norder by ";
private String select = "select ";
private String selectDistinct = "select distinct ";
private String set = "set ";
private String tableAlias = " ";
private String update = "update ";
private String values = "\nvalues ";
private String defaultValues = "\nvalues ()";
private String where = "\nwhere ";
private String with = "with ";
private String withRecursive = "with recursive ";
private String createIndex = "create index ";
private String createUniqueIndex = "create unique index ";
private String nullsFirst = " nulls first";
private String nullsLast = " nulls last";
private boolean parameterMetadataAvailable = true;
private boolean batchCountViaGetUpdateCount = false;
private boolean unionsWrapped = true;
private boolean functionJoinsWrapped = false;
private boolean limitRequired = false;
private boolean countDistinctMultipleColumns = false;
private boolean countViaAnalytics = false;
private boolean wrapSelectParameters = false;
private boolean arraysSupported = true;
private boolean forShareSupported = false;
private boolean batchToBulkSupported = true;
private int listMaxSize = 0;
private boolean supportsUnquotedReservedWordsAsIdentifier = false;
private int maxLimit = Integer.MAX_VALUE;
private QueryFlag forShareFlag = new QueryFlag(Position.END, FOR_SHARE);
private QueryFlag forUpdateFlag = new QueryFlag(Position.END, FOR_UPDATE);
private QueryFlag noWaitFlag = new QueryFlag(Position.END, NO_WAIT);
@Deprecated
protected SQLTemplates(String quoteStr, char escape, boolean useQuotes) {
this(Keywords.DEFAULT, quoteStr, escape, useQuotes, false);
}
protected SQLTemplates(Set reservedKeywords, String quoteStr, char escape, boolean useQuotes) {
this(reservedKeywords, quoteStr, escape, useQuotes, false);
}
protected SQLTemplates(Set reservedKeywords, String quoteStr, char escape, boolean useQuotes, boolean requiresSchemaInWhere) {
super(escape);
this.reservedWords = reservedKeywords;
this.quoteStr = quoteStr;
this.useQuotes = useQuotes;
this.requiresSchemaInWhere = requiresSchemaInWhere;
add(SQLOps.ALL, "{0}.*");
// flags
add(SQLOps.WITH_ALIAS, "{0} as {1}", 0);
add(SQLOps.WITH_COLUMNS, "{0} {1}", 0);
add(SQLOps.FOR_UPDATE, "\nfor update");
add(SQLOps.FOR_SHARE, "\nfor share");
add(SQLOps.NO_WAIT, " nowait");
add(SQLOps.QUALIFY, "\nqualify {0}");
// boolean
add(Ops.AND, "{0} and {1}");
add(Ops.NOT, "not {0}", Precedence.NOT);
add(Ops.OR, "{0} or {1}");
// math
add(Ops.MathOps.RANDOM, "rand()");
add(Ops.MathOps.RANDOM2, "rand({0})");
add(Ops.MathOps.CEIL, "ceiling({0})");
add(Ops.MathOps.POWER, "power({0},{1})");
add(Ops.MOD, "mod({0},{1})", Precedence.HIGHEST);
// date time
add(Ops.DateTimeOps.CURRENT_DATE, "current_date");
add(Ops.DateTimeOps.CURRENT_TIME, "current_time");
add(Ops.DateTimeOps.CURRENT_TIMESTAMP, "current_timestamp");
add(Ops.DateTimeOps.MILLISECOND, "0");
add(Ops.DateTimeOps.SECOND, "extract(second from {0})");
add(Ops.DateTimeOps.MINUTE, "extract(minute from {0})");
add(Ops.DateTimeOps.HOUR, "extract(hour from {0})");
add(Ops.DateTimeOps.WEEK, "extract(week from {0})");
add(Ops.DateTimeOps.MONTH, "extract(month from {0})");
add(Ops.DateTimeOps.YEAR, "extract(year from {0})");
add(Ops.DateTimeOps.YEAR_MONTH, "extract(year from {0}) * 100 + extract(month from {0})", Precedence.ARITH_LOW);
add(Ops.DateTimeOps.YEAR_WEEK, "extract(year from {0}) * 100 + extract(week from {0})", Precedence.ARITH_LOW);
add(Ops.DateTimeOps.DAY_OF_WEEK, "extract(day_of_week from {0})");
add(Ops.DateTimeOps.DAY_OF_MONTH, "extract(day from {0})");
add(Ops.DateTimeOps.DAY_OF_YEAR, "extract(day_of_year from {0})");
add(Ops.DateTimeOps.ADD_YEARS, "dateadd('year',{1},{0})");
add(Ops.DateTimeOps.ADD_MONTHS, "dateadd('month',{1},{0})");
add(Ops.DateTimeOps.ADD_WEEKS, "dateadd('week',{1},{0})");
add(Ops.DateTimeOps.ADD_DAYS, "dateadd('day',{1},{0})");
add(Ops.DateTimeOps.ADD_HOURS, "dateadd('hour',{1},{0})");
add(Ops.DateTimeOps.ADD_MINUTES, "dateadd('minute',{1},{0})");
add(Ops.DateTimeOps.ADD_SECONDS, "dateadd('second',{1},{0})");
add(Ops.DateTimeOps.DIFF_YEARS, "datediff('year',{0},{1})");
add(Ops.DateTimeOps.DIFF_MONTHS, "datediff('month',{0},{1})");
add(Ops.DateTimeOps.DIFF_WEEKS, "datediff('week',{0},{1})");
add(Ops.DateTimeOps.DIFF_DAYS, "datediff('day',{0},{1})");
add(Ops.DateTimeOps.DIFF_HOURS, "datediff('hour',{0},{1})");
add(Ops.DateTimeOps.DIFF_MINUTES, "datediff('minute',{0},{1})");
add(Ops.DateTimeOps.DIFF_SECONDS, "datediff('second',{0},{1})");
add(Ops.DateTimeOps.TRUNC_YEAR, "date_trunc('year',{0})");
add(Ops.DateTimeOps.TRUNC_MONTH, "date_trunc('month',{0})");
add(Ops.DateTimeOps.TRUNC_WEEK, "date_trunc('week',{0})");
add(Ops.DateTimeOps.TRUNC_DAY, "date_trunc('day',{0})");
add(Ops.DateTimeOps.TRUNC_HOUR, "date_trunc('hour',{0})");
add(Ops.DateTimeOps.TRUNC_MINUTE, "date_trunc('minute',{0})");
add(Ops.DateTimeOps.TRUNC_SECOND, "date_trunc('second',{0})");
// string
add(Ops.CONCAT, "{0} || {1}", Precedence.ARITH_LOW);
add(Ops.MATCHES, "{0} regexp {1}", Precedence.COMPARISON);
add(Ops.CHAR_AT, "cast(substr({0},{1+'1's},1) as char)");
add(Ops.EQ_IGNORE_CASE, "{0l} = {1l}");
add(Ops.INDEX_OF, "locate({1},{0})-1", Precedence.ARITH_LOW);
add(Ops.INDEX_OF_2ARGS, "locate({1},{0},{2+'1's})-1", Precedence.ARITH_LOW);
add(Ops.STRING_IS_EMPTY, "length({0}) = 0");
add(Ops.SUBSTR_1ARG, "substr({0},{1s}+1)", Precedence.ARITH_LOW);
add(Ops.SUBSTR_2ARGS, "substr({0},{1+'1's},{2-1s})", Precedence.ARITH_LOW);
add(Ops.StringOps.LOCATE, "locate({0},{1})");
add(Ops.StringOps.LOCATE2, "locate({0},{1},{2})");
// like with escape
add(Ops.LIKE, "{0} like {1} escape '" + escape + "'", Precedence.COMPARISON);
add(Ops.ENDS_WITH, "{0} like {%1} escape '" + escape + "'", Precedence.COMPARISON);
add(Ops.ENDS_WITH_IC, "{0l} like {%%1} escape '" + escape + "'", Precedence.COMPARISON);
add(Ops.STARTS_WITH, "{0} like {1%} escape '" + escape + "'", Precedence.COMPARISON);
add(Ops.STARTS_WITH_IC, "{0l} like {1%%} escape '" + escape + "'", Precedence.COMPARISON);
add(Ops.STRING_CONTAINS, "{0} like {%1%} escape '" + escape + "'", Precedence.COMPARISON);
add(Ops.STRING_CONTAINS_IC, "{0l} like {%%1%%} escape '" + escape + "'", Precedence.COMPARISON);
add(SQLOps.CAST, "cast({0} as {1s})");
add(SQLOps.UNION, "{0}\nunion\n{1}", Precedence.OR + 1);
add(SQLOps.UNION_ALL, "{0}\nunion all\n{1}", Precedence.OR + 1);
add(SQLOps.NEXTVAL, "nextval('{0s}')");
// analytic functions
add(SQLOps.CORR, "corr({0},{1})");
add(SQLOps.COVARPOP, "covar_pop({0},{1})");
add(SQLOps.COVARSAMP, "covar_samp({0},{1})");
add(SQLOps.CUMEDIST, "cume_dist()");
add(SQLOps.CUMEDIST2, "cume_dist({0})");
add(SQLOps.DENSERANK, "dense_rank()");
add(SQLOps.DENSERANK2, "dense_rank({0})");
add(SQLOps.FIRSTVALUE, "first_value({0})");
add(SQLOps.LAG, "lag({0})");
add(SQLOps.LASTVALUE, "last_value({0})");
add(SQLOps.LEAD, "lead({0})");
add(SQLOps.LISTAGG, "listagg({0},'{1s}')");
add(SQLOps.NTHVALUE, "nth_value({0}, {1})");
add(SQLOps.NTILE, "ntile({0})");
add(SQLOps.PERCENTILECONT, "percentile_cont({0})");
add(SQLOps.PERCENTILEDISC, "percentile_disc({0})");
add(SQLOps.PERCENTRANK, "percent_rank()");
add(SQLOps.PERCENTRANK2, "percent_rank({0})");
add(SQLOps.RANK, "rank()");
add(SQLOps.RANK2, "rank({0})");
add(SQLOps.RATIOTOREPORT, "ratio_to_report({0})");
add(SQLOps.REGR_SLOPE, "regr_slope({0}, {1})");
add(SQLOps.REGR_INTERCEPT, "regr_intercept({0}, {1})");
add(SQLOps.REGR_COUNT, "regr_count({0}, {1})");
add(SQLOps.REGR_R2, "regr_r2({0}, {1})");
add(SQLOps.REGR_AVGX, "regr_avgx({0}, {1})");
add(SQLOps.REGR_AVGY, "regr_avgy({0}, {1})");
add(SQLOps.REGR_SXX, "regr_sxx({0}, {1})");
add(SQLOps.REGR_SYY, "regr_syy({0}, {1})");
add(SQLOps.REGR_SXY, "regr_sxy({0}, {1})");
add(SQLOps.ROWNUMBER, "row_number()");
add(SQLOps.STDDEV, "stddev({0})");
add(SQLOps.STDDEVPOP, "stddev_pop({0})");
add(SQLOps.STDDEVSAMP, "stddev_samp({0})");
add(SQLOps.STDDEV_DISTINCT, "stddev(distinct {0})");
add(SQLOps.VARIANCE, "variance({0})");
add(SQLOps.VARPOP, "var_pop({0})");
add(SQLOps.VARSAMP, "var_samp({0})");
add(SQLOps.GROUP_CONCAT, "group_concat({0})");
add(SQLOps.GROUP_CONCAT2, "group_concat({0} separator {1})");
add(Ops.AggOps.BOOLEAN_ANY, "some({0})");
add(Ops.AggOps.BOOLEAN_ALL, "every({0})");
add(SQLOps.SET_LITERAL, "{0} = {1}");
add(SQLOps.SET_PATH, "{0} = values({1})");
// default type names
addTypeNameToCode("null", Types.NULL);
addTypeNameToCode("char", Types.CHAR);
addTypeNameToCode("datalink", Types.DATALINK);
addTypeNameToCode("numeric", Types.NUMERIC);
addTypeNameToCode("decimal", Types.DECIMAL);
addTypeNameToCode("integer", Types.INTEGER);
addTypeNameToCode("smallint", Types.SMALLINT);
addTypeNameToCode("float", Types.FLOAT);
addTypeNameToCode("real", Types.REAL);
addTypeNameToCode("double", Types.DOUBLE);
addTypeNameToCode("varchar", Types.VARCHAR);
addTypeNameToCode("longnvarchar", Types.LONGNVARCHAR);
addTypeNameToCode("nchar", Types.NCHAR);
addTypeNameToCode("boolean", Types.BOOLEAN);
addTypeNameToCode("nvarchar", Types.NVARCHAR);
addTypeNameToCode("rowid", Types.ROWID);
addTypeNameToCode("timestamp", Types.TIMESTAMP);
addTypeNameToCode("timestamp", TIMESTAMP_WITH_TIMEZONE);
addTypeNameToCode("bit", Types.BIT);
addTypeNameToCode("time", Types.TIME);
addTypeNameToCode("time", TIME_WITH_TIMEZONE);
addTypeNameToCode("tinyint", Types.TINYINT);
addTypeNameToCode("other", Types.OTHER);
addTypeNameToCode("bigint", Types.BIGINT);
addTypeNameToCode("longvarbinary", Types.LONGVARBINARY);
addTypeNameToCode("varbinary", Types.VARBINARY);
addTypeNameToCode("date", Types.DATE);
addTypeNameToCode("binary", Types.BINARY);
addTypeNameToCode("longvarchar", Types.LONGVARCHAR);
addTypeNameToCode("struct", Types.STRUCT);
addTypeNameToCode("array", Types.ARRAY);
addTypeNameToCode("java_object", Types.JAVA_OBJECT);
addTypeNameToCode("distinct", Types.DISTINCT);
addTypeNameToCode("ref", Types.REF);
addTypeNameToCode("blob", Types.BLOB);
addTypeNameToCode("clob", Types.CLOB);
addTypeNameToCode("nclob", Types.NCLOB);
addTypeNameToCode("sqlxml", Types.SQLXML);
}
public String serialize(String literal, int jdbcType) {
switch (jdbcType) {
case Types.TIMESTAMP:
case TIMESTAMP_WITH_TIMEZONE:
return "(timestamp '" + literal + "')";
case Types.DATE:
return "(date '" + literal + "')";
case Types.TIME:
case TIME_WITH_TIMEZONE:
return "(time '" + literal + "')";
case Types.CHAR:
case Types.CLOB:
case Types.LONGNVARCHAR:
case Types.LONGVARCHAR:
case Types.NCHAR:
case Types.NCLOB:
case Types.NVARCHAR:
case Types.VARCHAR:
return "'" + escapeLiteral(literal) + "'";
case Types.BIGINT:
case Types.BIT:
case Types.BOOLEAN:
case Types.DECIMAL:
case Types.DOUBLE:
case Types.FLOAT:
case Types.INTEGER:
case Types.NULL:
case Types.NUMERIC:
case Types.SMALLINT:
case Types.TINYINT:
return literal;
default:
// for other JDBC types the Type instance is expected to provide
// the necessary quoting
return literal;
}
}
public String escapeLiteral(String str) {
StringBuilder builder = new StringBuilder();
for (char ch : str.toCharArray()) {
if (ch == '\'') {
builder.append("''");
continue;
}
builder.append(ch);
}
return builder.toString();
}
protected void addTypeNameToCode(String type, int code, boolean override) {
if (!typeNameToCode.containsKey(type)) {
typeNameToCode.put(type, code);
}
if (override || !codeToTypeName.containsKey(code)) {
codeToTypeName.put(code, type);
}
}
protected void addTypeNameToCode(String type, int code) {
addTypeNameToCode(type, code, false);
}
protected void addTableOverride(SchemaAndTable from, SchemaAndTable to) {
tableOverrides.put(from, to);
}
public final List> getCustomTypes() {
return customTypes;
}
public final String getAsc() {
return asc;
}
public final String getAutoIncrement() {
return autoIncrement;
}
public final String getColumnAlias() {
return columnAlias;
}
public final String getCount() {
return count;
}
public final String getCountStar() {
return countStar;
}
public final String getCrossJoin() {
return crossJoin;
}
public final String getDelete() {
return delete;
}
public final String getDesc() {
return desc;
}
public final String getDistinctCountEnd() {
return distinctCountEnd;
}
public final String getDistinctCountStart() {
return distinctCountStart;
}
public final String getDummyTable() {
return dummyTable;
}
public final String getFrom() {
return from;
}
public final String getFullJoin() {
return fullJoin;
}
public final String getGroupBy() {
return groupBy;
}
public final String getHaving() {
return having;
}
public final String getInnerJoin() {
return innerJoin;
}
public final String getInsertInto() {
return insertInto;
}
public final String getJoin() {
return join;
}
public final String getJoinSymbol(JoinType joinType) {
switch (joinType) {
case JOIN: return join;
case INNERJOIN: return innerJoin;
case FULLJOIN: return fullJoin;
case LEFTJOIN: return leftJoin;
case RIGHTJOIN: return rightJoin;
default: return crossJoin;
}
}
public final String getKey() {
return key;
}
public final String getLeftJoin() {
return leftJoin;
}
public final String getRightJoin() {
return rightJoin;
}
public final String getLimitTemplate() {
return limitTemplate;
}
public final String getMergeInto() {
return mergeInto;
}
public final String getNotNull() {
return notNull;
}
public final String getOffsetTemplate() {
return offsetTemplate;
}
public final String getOn() {
return on;
}
public final String getOrderBy() {
return orderBy;
}
public final String getSelect() {
return select;
}
public final String getSelectDistinct() {
return selectDistinct;
}
public final String getSet() {
return set;
}
public final String getTableAlias() {
return tableAlias;
}
public final Map getTableOverrides() {
return tableOverrides;
}
public String getTypeNameForCode(int code) {
return codeToTypeName.get(code);
}
public String getCastTypeNameForCode(int code) {
return getTypeNameForCode(code);
}
public Integer getCodeForTypeName(String type) {
return typeNameToCode.get(type);
}
public final String getUpdate() {
return update;
}
public final String getValues() {
return values;
}
public final String getDefaultValues() {
return defaultValues;
}
public final String getWhere() {
return where;
}
public final boolean isNativeMerge() {
return nativeMerge;
}
public final boolean isSupportsAlias() {
return true;
}
public final String getCreateIndex() {
return createIndex;
}
public final String getCreateUniqueIndex() {
return createUniqueIndex;
}
public final String getCreateTable() {
return createTable;
}
public final String getWith() {
return with;
}
public final String getWithRecursive() {
return withRecursive;
}
public final boolean isCountDistinctMultipleColumns() {
return countDistinctMultipleColumns;
}
public final boolean isRequiresSchemaInWhere() {
return requiresSchemaInWhere;
}
public final boolean isPrintSchema() {
return printSchema;
}
public final boolean isParameterMetadataAvailable() {
return parameterMetadataAvailable;
}
public final boolean isBatchCountViaGetUpdateCount() {
return batchCountViaGetUpdateCount;
}
public final boolean isUseQuotes() {
return useQuotes;
}
public final boolean isUnionsWrapped() {
return unionsWrapped;
}
public boolean isForShareSupported() {
return forShareSupported;
}
public final boolean isFunctionJoinsWrapped() {
return functionJoinsWrapped;
}
public final boolean isLimitRequired() {
return limitRequired;
}
public final String getNullsFirst() {
return nullsFirst;
}
public final String getNullsLast() {
return nullsLast;
}
public final boolean isCountViaAnalytics() {
return countViaAnalytics;
}
public final boolean isWrapSelectParameters() {
return wrapSelectParameters;
}
public final boolean isArraysSupported() {
return arraysSupported;
}
public final int getListMaxSize() {
return listMaxSize;
}
public final boolean isSupportsUnquotedReservedWordsAsIdentifier() {
return supportsUnquotedReservedWordsAsIdentifier;
}
public final boolean isBatchToBulkSupported() {
return batchToBulkSupported;
}
public final QueryFlag getForShareFlag() {
return forShareFlag;
}
public final QueryFlag getForUpdateFlag() {
return forUpdateFlag;
}
public final QueryFlag getNoWaitFlag() {
return noWaitFlag;
}
protected void newLineToSingleSpace() {
for (Class cl : Arrays.>asList(getClass(), SQLTemplates.class)) {
for (Field field : cl.getDeclaredFields()) {
try {
if (field.getType().equals(String.class)) {
field.setAccessible(true);
Object val = field.get(this);
if (val != null) {
field.set(this, val.toString().replace('\n',' '));
}
}
} catch (IllegalAccessException e) {
throw new QueryException(e.getMessage(), e);
}
}
}
}
public final String quoteIdentifier(String identifier) {
return quoteIdentifier(identifier, false);
}
public final String quoteIdentifier(String identifier, boolean precededByDot) {
if (useQuotes || requiresQuotes(identifier, precededByDot)) {
return quoteStr + identifier + quoteStr;
} else {
return identifier;
}
}
protected boolean requiresQuotes(final String identifier, final boolean precededByDot) {
if (NON_UNDERSCORE_ALPHA_NUMERIC.matchesAnyOf(identifier)) {
return true;
} else if (NON_UNDERSCORE_ALPHA.matches(identifier.charAt(0))) {
return true;
} else if (precededByDot && supportsUnquotedReservedWordsAsIdentifier) {
return false;
} else {
return isReservedWord(identifier);
}
}
private boolean isReservedWord(String identifier) {
return reservedWords.contains(identifier.toUpperCase());
}
/**
* template method for SELECT serialization
*
* @param metadata
* @param forCountRow
* @param context
*/
public void serialize(QueryMetadata metadata, boolean forCountRow, SQLSerializer context) {
context.serializeForQuery(metadata, forCountRow);
if (!metadata.getFlags().isEmpty()) {
context.serialize(Position.END, metadata.getFlags());
}
}
/**
* template method for DELETE serialization
*
* @param metadata
* @param entity
* @param context
*/
public void serializeDelete(QueryMetadata metadata, RelationalPath entity, SQLSerializer context) {
context.serializeForDelete(metadata, entity);
// limit
if (metadata.getModifiers().isRestricting()) {
serializeModifiers(metadata, context);
}
if (!metadata.getFlags().isEmpty()) {
context.serialize(Position.END, metadata.getFlags());
}
}
/**
* template method for INSERT serialization
*
* @param metadata
* @param entity
* @param columns
* @param values
* @param subQuery
* @param context
*/
public void serializeInsert(QueryMetadata metadata, RelationalPath entity,
List> columns, List> values, SubQueryExpression subQuery,
SQLSerializer context) {
context.serializeForInsert(metadata, entity, columns, values, subQuery);
if (!metadata.getFlags().isEmpty()) {
context.serialize(Position.END, metadata.getFlags());
}
}
/**
* template method for INSERT serialization
*
* @param metadata
* @param batches
* @param context
*/
public void serializeInsert(QueryMetadata metadata, RelationalPath entity,
List batches, SQLSerializer context) {
context.serializeForInsert(metadata, entity, batches);
if (!metadata.getFlags().isEmpty()) {
context.serialize(Position.END, metadata.getFlags());
}
}
/**
* template method for MERGE serialization
*
* @param metadata
* @param entity
* @param keys
* @param columns
* @param values
* @param subQuery
* @param context
*/
public void serializeMerge(QueryMetadata metadata, RelationalPath entity,
List> keys, List> columns, List> values,
SubQueryExpression subQuery, SQLSerializer context) {
context.serializeForMerge(metadata, entity, keys, columns, values, subQuery);
if (!metadata.getFlags().isEmpty()) {
context.serialize(Position.END, metadata.getFlags());
}
}
/**
* template method for UPDATE serialization
*
* @param metadata
* @param entity
* @param updates
* @param context
*/
public void serializeUpdate(QueryMetadata metadata, RelationalPath entity,
Map, Expression> updates, SQLSerializer context) {
context.serializeForUpdate(metadata, entity, updates);
// limit
if (metadata.getModifiers().isRestricting()) {
serializeModifiers(metadata, context);
}
if (!metadata.getFlags().isEmpty()) {
context.serialize(Position.END, metadata.getFlags());
}
}
/**
* template method for LIMIT and OFFSET serialization
*
* @param metadata
* @param context
*/
protected void serializeModifiers(QueryMetadata metadata, SQLSerializer context) {
QueryModifiers mod = metadata.getModifiers();
if (mod.getLimit() != null) {
context.handle(limitTemplate, mod.getLimit());
} else if (limitRequired) {
context.handle(limitTemplate, maxLimit);
}
if (mod.getOffset() != null) {
context.handle(offsetTemplate, mod.getOffset());
}
}
protected void addCustomType(Type type) {
customTypes.add(type);
}
protected void setAsc(String asc) {
this.asc = asc;
}
protected void setAutoIncrement(String autoIncrement) {
this.autoIncrement = autoIncrement;
}
protected void setColumnAlias(String columnAlias) {
this.columnAlias = columnAlias;
}
protected void setCount(String count) {
this.count = count;
}
protected void setCountStar(String countStar) {
this.countStar = countStar;
}
protected void setCrossJoin(String crossJoin) {
this.crossJoin = crossJoin;
}
protected void setDelete(String delete) {
this.delete = delete;
}
protected void setDesc(String desc) {
this.desc = desc;
}
protected void setDistinctCountEnd(String distinctCountEnd) {
this.distinctCountEnd = distinctCountEnd;
}
protected void setDistinctCountStart(String distinctCountStart) {
this.distinctCountStart = distinctCountStart;
}
protected void setDummyTable(String dummyTable) {
this.dummyTable = dummyTable;
}
protected void setForShareSupported(boolean forShareSupported) {
this.forShareSupported = forShareSupported;
}
protected void setFrom(String from) {
this.from = from;
}
protected void setFullJoin(String fullJoin) {
this.fullJoin = fullJoin;
}
protected void setGroupBy(String groupBy) {
this.groupBy = groupBy;
}
protected void setHaving(String having) {
this.having = having;
}
protected void setInnerJoin(String innerJoin) {
this.innerJoin = innerJoin;
}
protected void setInsertInto(String insertInto) {
this.insertInto = insertInto;
}
protected void setJoin(String join) {
this.join = join;
}
protected void setKey(String key) {
this.key = key;
}
protected void setLeftJoin(String leftJoin) {
this.leftJoin = leftJoin;
}
protected void setRightJoin(String rightJoin) {
this.rightJoin = rightJoin;
}
protected void setMergeInto(String mergeInto) {
this.mergeInto = mergeInto;
}
protected void setNativeMerge(boolean nativeMerge) {
this.nativeMerge = nativeMerge;
}
protected void setNotNull(String notNull) {
this.notNull = notNull;
}
protected void setOffsetTemplate(String offsetTemplate) {
this.offsetTemplate = offsetTemplate;
}
protected void setOn(String on) {
this.on = on;
}
protected void setOrderBy(String orderBy) {
this.orderBy = orderBy;
}
protected void setSelect(String select) {
this.select = select;
}
protected void setSelectDistinct(String selectDistinct) {
this.selectDistinct = selectDistinct;
}
protected void setSet(String set) {
this.set = set;
}
protected void setTableAlias(String tableAlias) {
this.tableAlias = tableAlias;
}
protected void setUpdate(String update) {
this.update = update;
}
protected void setValues(String values) {
this.values = values;
}
protected void setDefaultValues(String defaultValues) {
this.defaultValues = defaultValues;
}
protected void setWhere(String where) {
this.where = where;
}
protected void setWith(String with) {
this.with = with;
}
protected void setWithRecursive(String withRecursive) {
this.withRecursive = withRecursive;
}
protected void setCreateIndex(String createIndex) {
this.createIndex = createIndex;
}
protected void setCreateUniqueIndex(String createUniqueIndex) {
this.createUniqueIndex = createUniqueIndex;
}
protected void setCreateTable(String createTable) {
this.createTable = createTable;
}
protected void setPrintSchema(boolean printSchema) {
this.printSchema = printSchema;
}
protected void setParameterMetadataAvailable(boolean parameterMetadataAvailable) {
this.parameterMetadataAvailable = parameterMetadataAvailable;
}
protected void setBatchCountViaGetUpdateCount(boolean batchCountViaGetUpdateCount) {
this.batchCountViaGetUpdateCount = batchCountViaGetUpdateCount;
}
protected void setUnionsWrapped(boolean unionsWrapped) {
this.unionsWrapped = unionsWrapped;
}
protected void setFunctionJoinsWrapped(boolean functionJoinsWrapped) {
this.functionJoinsWrapped = functionJoinsWrapped;
}
protected void setNullsFirst(String nullsFirst) {
this.nullsFirst = nullsFirst;
}
protected void setNullsLast(String nullsLast) {
this.nullsLast = nullsLast;
}
protected void setLimitRequired(boolean limitRequired) {
this.limitRequired = limitRequired;
}
protected void setCountDistinctMultipleColumns(boolean countDistinctMultipleColumns) {
this.countDistinctMultipleColumns = countDistinctMultipleColumns;
}
protected void setCountViaAnalytics(boolean countViaAnalytics) {
this.countViaAnalytics = countViaAnalytics;
}
protected void setWrapSelectParameters(boolean b) {
this.wrapSelectParameters = b;
}
protected void setArraysSupported(boolean b) {
this.arraysSupported = b;
}
protected void setListMaxSize(int i) {
listMaxSize = i;
}
protected void setSupportsUnquotedReservedWordsAsIdentifier(boolean b) {
this.supportsUnquotedReservedWordsAsIdentifier = b;
}
protected void setMaxLimit(int i) {
this.maxLimit = i;
}
protected void setBatchToBulkSupported(boolean b) {
this.batchToBulkSupported = b;
}
protected void setForShareFlag(QueryFlag flag) {
forShareFlag = flag;
}
protected void setForUpdateFlag(QueryFlag flag) {
forUpdateFlag = flag;
}
protected void setNoWaitFlag(QueryFlag flag) {
noWaitFlag = flag;
}
}
