[jOOQ/jOOQ#9854] Add support for DB2 DIGITS() function

This commit is contained in:
Lukas Eder 2021-01-14 16:53:10 +01:00
parent 51ebec9fc5
commit bb2ce3a43b
5 changed files with 176 additions and 25 deletions

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@ -15037,6 +15037,24 @@ public class DSL {
return new Degrees(radians);
}
/**
* The <code>DIGITS</code> function.
*/
@NotNull
@Support
public static Field<String> digits(Number value) {
return new Digits(Tools.field(value));
}
/**
* The <code>DIGITS</code> function.
*/
@NotNull
@Support
public static Field<String> digits(Field<? extends Number> value) {
return new Digits(value);
}
/**
* The <code>E</code> function.
* <p>

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@ -135,25 +135,25 @@ public class DefaultDataType<T> extends AbstractDataTypeX<T> {
* The minimum decimal precision needed to represent a Java {@link Long}
* type.
*/
private static final int LONG_PRECISION = String.valueOf(Long.MAX_VALUE).length();
static final int LONG_PRECISION = String.valueOf(Long.MAX_VALUE).length();
/**
* The minimum decimal precision needed to represent a Java {@link Integer}
* type.
*/
private static final int INTEGER_PRECISION = String.valueOf(Integer.MAX_VALUE).length();
static final int INTEGER_PRECISION = String.valueOf(Integer.MAX_VALUE).length();
/**
* The minimum decimal precision needed to represent a Java {@link Short}
* type.
*/
private static final int SHORT_PRECISION = String.valueOf(Short.MAX_VALUE).length();
static final int SHORT_PRECISION = String.valueOf(Short.MAX_VALUE).length();
/**
* The minimum decimal precision needed to represent a Java {@link Byte}
* type.
*/
private static final int BYTE_PRECISION = String.valueOf(Byte.MAX_VALUE).length();
static final int BYTE_PRECISION = String.valueOf(Byte.MAX_VALUE).length();
// -------------------------------------------------------------------------
// Data type attributes

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@ -0,0 +1,129 @@
/*
* 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.
*
* Other licenses:
* -----------------------------------------------------------------------------
* Commercial licenses for this work are available. These replace the above
* ASL 2.0 and offer limited warranties, support, maintenance, and commercial
* database integrations.
*
* For more information, please visit: http://www.jooq.org/licenses
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*/
package org.jooq.impl;
import static org.jooq.impl.DSL.*;
import static org.jooq.impl.Internal.*;
import static org.jooq.impl.Keywords.*;
import static org.jooq.impl.Names.*;
import static org.jooq.impl.SQLDataType.*;
import static org.jooq.impl.Tools.*;
import static org.jooq.impl.Tools.BooleanDataKey.*;
import static java.math.BigDecimal.TEN;
import static org.jooq.SQLDialect.*;
import org.jooq.*;
import org.jooq.conf.*;
import org.jooq.impl.*;
import org.jooq.tools.*;
import java.math.BigDecimal;
import java.util.*;
/**
* The <code>DIGITS</code> statement.
*/
@SuppressWarnings({ "rawtypes", "unused" })
final class Digits
extends
AbstractField<String>
{
private static final long serialVersionUID = 1L;
private final Field<? extends Number> value;
Digits(
Field<? extends Number> value
) {
super(
N_DIGITS,
allNotNull(VARCHAR, value)
);
this.value = nullSafeNotNull(value, INTEGER);
}
// -------------------------------------------------------------------------
// XXX: QueryPart API
// -------------------------------------------------------------------------
private static final Set<SQLDialect> NO_SUPPORT_DIGITS = SQLDialect.supportedBy(CUBRID, DERBY, FIREBIRD, H2, HSQLDB, MARIADB, MYSQL, POSTGRES, SQLITE);
@Override
public final void accept(Context<?> ctx) {
if (NO_SUPPORT_DIGITS.contains(ctx.dialect())) {
DataType<?> t = value.getDataType();
if (t.getType() == Byte.class)
ctx.visit(DSL.lpad(DSL.abs(value).cast(VARCHAR(DefaultDataType.BYTE_PRECISION)), inline(DefaultDataType.BYTE_PRECISION), inline("0")));
else if (t.getType() == Short.class)
ctx.visit(DSL.lpad(DSL.abs(value).cast(VARCHAR(DefaultDataType.SHORT_PRECISION)), inline(DefaultDataType.SHORT_PRECISION), inline("0")));
else if (t.getType() == Integer.class)
ctx.visit(DSL.lpad(DSL.abs(value).cast(VARCHAR(DefaultDataType.INTEGER_PRECISION)), inline(DefaultDataType.INTEGER_PRECISION), inline("0")));
else if (t.getType() == Long.class)
ctx.visit(DSL.lpad(DSL.abs(value).cast(VARCHAR(DefaultDataType.LONG_PRECISION)), inline(DefaultDataType.LONG_PRECISION), inline("0")));
else if (t.scaleDefined())
ctx.visit(DSL.lpad(DSL.abs(value.mul(inline(BigDecimal.TEN.pow(t.scale())))).cast(VARCHAR(t.precision())), inline(t.precision()), inline("0")));
else
ctx.visit(DSL.lpad(DSL.abs(value).cast(VARCHAR(t.precision())), inline(t.precision()), inline("0")));
}
else
ctx.visit(N_DIGITS).sql('(').visit(value).sql(')');
}
// -------------------------------------------------------------------------
// The Object API
// -------------------------------------------------------------------------
@Override
public boolean equals(Object that) {
if (that instanceof Digits) {
return
StringUtils.equals(value, ((Digits) that).value)
;
}
else
return super.equals(that);
}
}

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@ -82,10 +82,10 @@ final class Names {
static final Name N_CEIL = unquotedName("ceil");
static final Name N_CEILING = unquotedName("ceiling");
static final Name N_CHAR = unquotedName("char");
static final Name N_CHARINDEX = unquotedName("charindex");
static final Name N_CHAR_LENGTH = unquotedName("char_length");
static final Name N_CHR = unquotedName("chr");
static final Name N_CHARINDEX = unquotedName("charindex");
static final Name N_CHOOSE = unquotedName("choose");
static final Name N_CHR = unquotedName("chr");
static final Name N_COALESCE = unquotedName("coalesce");
static final Name N_COLLECT = unquotedName("collect");
static final Name N_CONCAT = unquotedName("concat");
@ -101,7 +101,6 @@ final class Names {
static final Name N_COUNTSET = unquotedName("countset");
static final Name N_COVAR_POP = unquotedName("covar_pop");
static final Name N_COVAR_SAMP = unquotedName("covar_samp");
static final Name N_CURRENTUSER = unquotedName("currentuser");
static final Name N_CURRENT_BIGDATETIME = unquotedName("current_bigdatetime");
static final Name N_CURRENT_CATALOG = unquotedName("current_catalog");
static final Name N_CURRENT_DATABASE = unquotedName("current_database");
@ -110,14 +109,15 @@ final class Names {
static final Name N_CURRENT_TIME = unquotedName("current_time");
static final Name N_CURRENT_TIMESTAMP = unquotedName("current_timestamp");
static final Name N_CURRENT_USER = unquotedName("current_user");
static final Name N_CURRENTUSER = unquotedName("currentuser");
static final Name N_CURRVAL = unquotedName("currval");
static final Name N_DATALENGTH = unquotedName("datalength");
static final Name N_DATEADD = unquotedName("dateadd");
static final Name N_DATEDIFF = unquotedName("datediff");
static final Name N_DATEPART = unquotedName("datepart");
static final Name N_DATE_ADD = unquotedName("date_add");
static final Name N_DATE_DIFF = unquotedName("date_diff");
static final Name N_DATE_TRUNC = unquotedName("date_trunc");
static final Name N_DATEADD = unquotedName("dateadd");
static final Name N_DATEDIFF = unquotedName("datediff");
static final Name N_DATEPART = unquotedName("datepart");
static final Name N_DAYOFWEEK = unquotedName("dayofweek");
static final Name N_DAYOFYEAR = unquotedName("dayofyear");
static final Name N_DAYS = unquotedName("days");
@ -125,6 +125,7 @@ final class Names {
static final Name N_DB_NAME = unquotedName("db_name");
static final Name N_DECODE = unquotedName("decode");
static final Name N_DEGREES = unquotedName("degrees");
static final Name N_DIGITS = unquotedName("digits");
static final Name N_DUAL = unquotedName("dual");
static final Name N_E = unquotedName("e");
static final Name N_EULER = unquotedName("e");
@ -134,8 +135,8 @@ final class Names {
static final Name N_FLASHBACK = unquotedName("flashback");
static final Name N_FLOOR = unquotedName("floor");
static final Name N_FUNCTION = unquotedName("function");
static final Name N_GENERATE_SERIES = unquotedName("generate_series");
static final Name N_GEN_ID = unquotedName("gen_id");
static final Name N_GENERATE_SERIES = unquotedName("generate_series");
static final Name N_GETDATE = unquotedName("getdate");
static final Name N_GREATEST = unquotedName("greatest");
static final Name N_GROUP_CONCAT = unquotedName("group_concat");
@ -148,13 +149,6 @@ final class Names {
static final Name N_INSTR = unquotedName("instr");
static final Name N_ISJSON = unquotedName("isjson");
static final Name N_JOIN = unquotedName("join");
static final Name N_JSONB_AGG = unquotedName("jsonb_agg");
static final Name N_JSONB_BUILD_ARRAY = unquotedName("jsonb_build_array");
static final Name N_JSONB_OBJECT = unquotedName("jsonb_object");
static final Name N_JSONB_OBJECTAGG = unquotedName("jsonb_objectagg");
static final Name N_JSONB_OBJECT_AGG = unquotedName("jsonb_object_agg");
static final Name N_JSONB_PATH_EXISTS = unquotedName("jsonb_path_exists");
static final Name N_JSONB_PATH_QUERY_FIRST = unquotedName("jsonb_path_query_first");
static final Name N_JSON_AGG = unquotedName("json_agg");
static final Name N_JSON_ARRAY = unquotedName("json_array");
static final Name N_JSON_ARRAYAGG = unquotedName("json_arrayagg");
@ -163,12 +157,19 @@ final class Names {
static final Name N_JSON_EXTRACT = unquotedName("json_extract");
static final Name N_JSON_MERGE = unquotedName("json_merge");
static final Name N_JSON_OBJECT = unquotedName("json_object");
static final Name N_JSON_OBJECTAGG = unquotedName("json_objectagg");
static final Name N_JSON_OBJECT_AGG = unquotedName("json_object_agg");
static final Name N_JSON_OBJECTAGG = unquotedName("json_objectagg");
static final Name N_JSON_QUOTE = unquotedName("json_quote");
static final Name N_JSON_TABLE = unquotedName("json_table");
static final Name N_JSON_VALID = unquotedName("json_valid");
static final Name N_JSON_VALUE = unquotedName("json_value");
static final Name N_JSONB_AGG = unquotedName("jsonb_agg");
static final Name N_JSONB_BUILD_ARRAY = unquotedName("jsonb_build_array");
static final Name N_JSONB_OBJECT = unquotedName("jsonb_object");
static final Name N_JSONB_OBJECT_AGG = unquotedName("jsonb_object_agg");
static final Name N_JSONB_OBJECTAGG = unquotedName("jsonb_objectagg");
static final Name N_JSONB_PATH_EXISTS = unquotedName("jsonb_path_exists");
static final Name N_JSONB_PATH_QUERY_FIRST = unquotedName("jsonb_path_query_first");
static final Name N_LCASE = unquotedName("lcase");
static final Name N_LEAST = unquotedName("least");
static final Name N_LEFT = unquotedName("left");
@ -216,8 +217,8 @@ final class Names {
static final Name N_RANDOM = unquotedName("random");
static final Name N_RATIO_TO_REPORT = unquotedName("ratio_to_report");
static final Name N_RAWTOHEX = unquotedName("rawtohex");
static final Name N_REGEXP_REPLACE = unquotedName("regexp_replace");
static final Name N_REGEX_REPLACE = unquotedName("regex_replace");
static final Name N_REGEXP_REPLACE = unquotedName("regexp_replace");
static final Name N_REGR_AVGX = unquotedName("regr_avgx");
static final Name N_REGR_AVGY = unquotedName("regr_avgy");
static final Name N_REGR_COUNT = unquotedName("regr_count");
@ -237,9 +238,9 @@ final class Names {
static final Name N_ROUND = unquotedName("round");
static final Name N_ROUND_DOWN = unquotedName("round_down");
static final Name N_ROW = unquotedName("row");
static final Name N_ROW_NUMBER = unquotedName("row_number");
static final Name N_ROWNUM = unquotedName("rownum");
static final Name N_ROWSFROM = unquotedName("rowsfrom");
static final Name N_ROW_NUMBER = unquotedName("row_number");
static final Name N_RPAD = unquotedName("rpad");
static final Name N_RTRIM = unquotedName("rtrim");
static final Name N_SCHEMA_NAME = unquotedName("schema_name");
@ -270,16 +271,16 @@ final class Names {
static final Name N_STDDEV_POP = unquotedName("stddev_pop");
static final Name N_STDDEV_SAMP = unquotedName("stddev_samp");
static final Name N_STDEV = unquotedName("stdev");
static final Name N_STDEVP = unquotedName("stdevp");
static final Name N_STDEV_SAMP = unquotedName("stdev_samp");
static final Name N_STDEVP = unquotedName("stdevp");
static final Name N_STRFTIME = unquotedName("strftime");
static final Name N_STRING_AGG = unquotedName("string_agg");
static final Name N_STRREVERSE = unquotedName("strreverse");
static final Name N_SUBSTR = unquotedName("substr");
static final Name N_SUBSTRING = unquotedName("substring");
static final Name N_SYS_CONNECT_BY_PATH = unquotedName("sys_connect_by_path");
static final Name N_SYSTEM_RANGE = unquotedName("system_range");
static final Name N_SYSTEM_TIME = unquotedName("system_time");
static final Name N_SYS_CONNECT_BY_PATH = unquotedName("sys_connect_by_path");
static final Name N_T = unquotedName("t");
static final Name N_TAN = unquotedName("tan");
static final Name N_TANH = unquotedName("tanh");
@ -302,11 +303,11 @@ final class Names {
static final Name N_VALUE = unquotedName("value");
static final Name N_VALUES = unquotedName("values");
static final Name N_VAR = unquotedName("var");
static final Name N_VAR_POP = unquotedName("var_pop");
static final Name N_VAR_SAMP = unquotedName("var_samp");
static final Name N_VARIANCE = unquotedName("variance");
static final Name N_VARIANCE_SAMP = unquotedName("variance_samp");
static final Name N_VARP = unquotedName("varp");
static final Name N_VAR_POP = unquotedName("var_pop");
static final Name N_VAR_SAMP = unquotedName("var_samp");
static final Name N_WEEKDAY = unquotedName("weekday");
static final Name N_WIDTH_BUCKET = unquotedName("width_bucket");
static final Name N_XMLAGG = unquotedName("xmlagg");

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@ -126,6 +126,7 @@ import static org.jooq.impl.DSL.defaultValue;
import static org.jooq.impl.DSL.default_;
import static org.jooq.impl.DSL.deg;
import static org.jooq.impl.DSL.denseRank;
import static org.jooq.impl.DSL.digits;
import static org.jooq.impl.DSL.domain;
import static org.jooq.impl.DSL.epoch;
import static org.jooq.impl.DSL.every;
@ -6767,6 +6768,8 @@ final class ParserContext {
return currentCatalog();
else if ((parseFunctionNameIf("DBINFO") && parse('(') && parseStringLiteral("dbname") != null && parse(')')))
return currentCatalog();
else if (parseFunctionNameIf("DIGITS"))
return digits((Field) parseFieldParenthesised(N));
if (D.is(type))
if ((field = parseFieldDateLiteralIf()) != null)