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h2database
提交 12c060fc authored 作者: Thomas Mueller's avatar Thomas Mueller
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上级 6f5fa525
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正在显示 包含 121 行增加 和 67 行删除
h2/src/main/org/h2/command/ddl/CreateFunctionAlias.java
浏览文件 @ 12c060fc
......@@ -46,9 +46,11 @@ public class CreateFunctionAlias extends SchemaCommand {
int id = getObjectId();
FunctionAlias functionAlias;
if (javaClassMethod != null) {
functionAlias = FunctionAlias.newInstance(getSchema(), id, aliasName, javaClassMethod, force, bufferResultSetToLocalTemp);
functionAlias = FunctionAlias.newInstance(
getSchema(), id, aliasName, javaClassMethod, force, bufferResultSetToLocalTemp);
} else {
functionAlias = FunctionAlias.newInstanceFromSource(getSchema(), id, aliasName, source, force, bufferResultSetToLocalTemp);
functionAlias = FunctionAlias.newInstanceFromSource(
getSchema(), id, aliasName, source, force, bufferResultSetToLocalTemp);
}
functionAlias.setDeterministic(deterministic);
db.addSchemaObject(session, functionAlias);
......@@ -83,6 +85,8 @@ public class CreateFunctionAlias extends SchemaCommand {
/**
* Should the return value ResultSet be buffered in a local temporary file?
*
* @param b the new value
*/
public void setBufferResultSetToLocalTemp(boolean b) {
this.bufferResultSetToLocalTemp = b;
......
h2/src/main/org/h2/command/dml/Set.java
浏览文件 @ 12c060fc
......@@ -110,9 +110,6 @@ public class Set extends Prepared {
}
case SetTypes.COLLATION: {
session.getUser().checkAdmin();
final boolean binaryUnsigned = database.getCompareMode().isBinaryUnsigned();
CompareMode compareMode;
StringBuilder buff = new StringBuilder(stringValue);
......
h2/src/main/org/h2/engine/FunctionAlias.java
浏览文件 @ 12c060fc
......@@ -60,9 +60,12 @@ public class FunctionAlias extends SchemaObjectBase {
* @param name the name
* @param javaClassMethod the class and method name
* @param force create the object even if the class or method does not exist
* @param bufferResultSetToLocalTemp whether the result should be buffered
* @return the database object
*/
public static FunctionAlias newInstance(Schema schema, int id, String name, String javaClassMethod, boolean force, boolean bufferResultSetToLocalTemp) {
public static FunctionAlias newInstance(
Schema schema, int id, String name, String javaClassMethod,
boolean force, boolean bufferResultSetToLocalTemp) {
FunctionAlias alias = new FunctionAlias(schema, id, name);
int paren = javaClassMethod.indexOf('(');
int lastDot = javaClassMethod.lastIndexOf('.', paren < 0 ? javaClassMethod.length() : paren);
......@@ -84,9 +87,12 @@ public class FunctionAlias extends SchemaObjectBase {
* @param name the name
* @param source the source code
* @param force create the object even if the class or method does not exist
* @param bufferResultSetToLocalTemp whether the result should be buffered
* @return the database object
*/
public static FunctionAlias newInstanceFromSource(Schema schema, int id, String name, String source, boolean force, boolean bufferResultSetToLocalTemp) {
public static FunctionAlias newInstanceFromSource(
Schema schema, int id, String name, String source, boolean force,
boolean bufferResultSetToLocalTemp) {
FunctionAlias alias = new FunctionAlias(schema, id, name);
alias.source = source;
alias.bufferResultSetToLocalTemp = bufferResultSetToLocalTemp;
......@@ -513,6 +519,8 @@ public class FunctionAlias extends SchemaObjectBase {
/**
* Should the return value ResultSet be buffered in a local temporary file?
*
* @return true if yes
*/
public boolean isBufferResultSetToLocalTemp() {
return bufferResultSetToLocalTemp;
......
h2/src/main/org/h2/expression/Function.java
浏览文件 @ 12c060fc
......@@ -590,7 +590,8 @@ public class Function extends Expression implements FunctionCall {
result = ValueLong.get(16 * length(v0));
break;
case CHAR:
result = ValueString.get(String.valueOf((char) v0.getInt()), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(String.valueOf((char) v0.getInt()),
database.getMode().treatEmptyStringsAsNull);
break;
case CHAR_LENGTH:
case LENGTH:
......@@ -621,7 +622,8 @@ public class Function extends Expression implements FunctionCall {
&& !StringUtils.isNullOrEmpty(tmp)) {
tmp = separator.concat(tmp);
}
result = ValueString.get(result.getString().concat(tmp), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(result.getString().concat(tmp),
database.getMode().treatEmptyStringsAsNull);
}
}
if (info.type == CONCAT_WS) {
......@@ -632,19 +634,23 @@ public class Function extends Expression implements FunctionCall {
break;
}
case HEXTORAW:
result = ValueString.get(hexToRaw(v0.getString()), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(hexToRaw(v0.getString()),
database.getMode().treatEmptyStringsAsNull);
break;
case LOWER:
case LCASE:
// TODO this is locale specific, need to document or provide a way
// to set the locale
result = ValueString.get(v0.getString().toLowerCase(), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(v0.getString().toLowerCase(),
database.getMode().treatEmptyStringsAsNull);
break;
case RAWTOHEX:
result = ValueString.get(rawToHex(v0.getString()), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(rawToHex(v0.getString()),
database.getMode().treatEmptyStringsAsNull);
break;
case SOUNDEX:
result = ValueString.get(getSoundex(v0.getString()), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(getSoundex(v0.getString()),
database.getMode().treatEmptyStringsAsNull);
break;
case SPACE: {
int len = Math.max(0, v0.getInt());
......@@ -652,39 +658,48 @@ public class Function extends Expression implements FunctionCall {
for (int i = len - 1; i >= 0; i--) {
chars[i] = ' ';
}
result = ValueString.get(new String(chars), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(new String(chars),
database.getMode().treatEmptyStringsAsNull);
break;
}
case UPPER:
case UCASE:
// TODO this is locale specific, need to document or provide a way
// to set the locale
result = ValueString.get(v0.getString().toUpperCase(), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(v0.getString().toUpperCase(),
database.getMode().treatEmptyStringsAsNull);
break;
case STRINGENCODE:
result = ValueString.get(StringUtils.javaEncode(v0.getString()), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(StringUtils.javaEncode(v0.getString()),
database.getMode().treatEmptyStringsAsNull);
break;
case STRINGDECODE:
result = ValueString.get(StringUtils.javaDecode(v0.getString()), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(StringUtils.javaDecode(v0.getString()),
database.getMode().treatEmptyStringsAsNull);
break;
case STRINGTOUTF8:
result = ValueBytes.getNoCopy(v0.getString().getBytes(Constants.UTF8));
break;
case UTF8TOSTRING:
result = ValueString.get(new String(v0.getBytesNoCopy(), Constants.UTF8), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(new String(v0.getBytesNoCopy(), Constants.UTF8),
database.getMode().treatEmptyStringsAsNull);
break;
case XMLCOMMENT:
result = ValueString.get(StringUtils.xmlComment(v0.getString()), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(StringUtils.xmlComment(v0.getString()),
database.getMode().treatEmptyStringsAsNull);
break;
case XMLCDATA:
result = ValueString.get(StringUtils.xmlCData(v0.getString()), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(StringUtils.xmlCData(v0.getString()),
database.getMode().treatEmptyStringsAsNull);
break;
case XMLSTARTDOC:
result = ValueString.get(StringUtils.xmlStartDoc(), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(StringUtils.xmlStartDoc(),
database.getMode().treatEmptyStringsAsNull);
break;
case DAY_NAME: {
SimpleDateFormat dayName = new SimpleDateFormat("EEEE", Locale.ENGLISH);
result = ValueString.get(dayName.format(v0.getDate()), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(dayName.format(v0.getDate()),
database.getMode().treatEmptyStringsAsNull);
break;
}
case DAY_OF_MONTH:
......@@ -707,7 +722,8 @@ public class Function extends Expression implements FunctionCall {
break;
case MONTH_NAME: {
SimpleDateFormat monthName = new SimpleDateFormat("MMMM", Locale.ENGLISH);
result = ValueString.get(monthName.format(v0.getDate()), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(monthName.format(v0.getDate()),
database.getMode().treatEmptyStringsAsNull);
break;
}
case QUARTER:
......@@ -757,11 +773,13 @@ public class Function extends Expression implements FunctionCall {
break;
}
case DATABASE:
result = ValueString.get(database.getShortName(), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(database.getShortName(),
database.getMode().treatEmptyStringsAsNull);
break;
case USER:
case CURRENT_USER:
result = ValueString.get(session.getUser().getName(), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(session.getUser().getName(),
database.getMode().treatEmptyStringsAsNull);
break;
case IDENTITY:
result = session.getLastIdentity();
......@@ -777,7 +795,8 @@ public class Function extends Expression implements FunctionCall {
break;
case DATABASE_PATH: {
String path = database.getDatabasePath();
result = path == null ? (Value) ValueNull.INSTANCE : ValueString.get(path, database.getMode().treatEmptyStringsAsNull);
result = path == null ? (Value) ValueNull.INSTANCE : ValueString.get(path,
database.getMode().treatEmptyStringsAsNull);
break;
}
case LOCK_TIMEOUT:
......@@ -807,7 +826,8 @@ public class Function extends Expression implements FunctionCall {
result = ValueInt.get(database.getLockMode());
break;
case SCHEMA:
result = ValueString.get(session.getCurrentSchemaName(), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(session.getCurrentSchemaName(),
database.getMode().treatEmptyStringsAsNull);
break;
case SESSION_ID:
result = ValueInt.get(session.getId());
......@@ -1110,12 +1130,14 @@ public class Function extends Expression implements FunctionCall {
if (v1 == ValueNull.INSTANCE || v2 == ValueNull.INSTANCE) {
result = v1;
} else {
result = ValueString.get(insert(v0.getString(), v1.getInt(), v2.getInt(), v3.getString()), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(insert(v0.getString(), v1.getInt(), v2.getInt(), v3.getString()),
database.getMode().treatEmptyStringsAsNull);
}
break;
}
case LEFT:
result = ValueString.get(left(v0.getString(), v1.getInt()), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(left(v0.getString(), v1.getInt()),
database.getMode().treatEmptyStringsAsNull);
break;
case LOCATE: {
int start = v2 == null ? 0 : v2.getInt();
......@@ -1129,27 +1151,33 @@ public class Function extends Expression implements FunctionCall {
}
case REPEAT: {
int count = Math.max(0, v1.getInt());
result = ValueString.get(repeat(v0.getString(), count), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(repeat(v0.getString(), count),
database.getMode().treatEmptyStringsAsNull);
break;
}
case REPLACE: {
String s0 = v0.getString();
String s1 = v1.getString();
String s2 = (v2 == null) ? "" : v2.getString();
result = ValueString.get(replace(s0, s1, s2), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(replace(s0, s1, s2),
database.getMode().treatEmptyStringsAsNull);
break;
}
case RIGHT:
result = ValueString.get(right(v0.getString(), v1.getInt()), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(right(v0.getString(), v1.getInt()),
database.getMode().treatEmptyStringsAsNull);
break;
case LTRIM:
result = ValueString.get(StringUtils.trim(v0.getString(), true, false, v1 == null ? " " : v1.getString()), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(StringUtils.trim(v0.getString(), true, false, v1 == null ? " " : v1.getString()),
database.getMode().treatEmptyStringsAsNull);
break;
case TRIM:
result = ValueString.get(StringUtils.trim(v0.getString(), true, true, v1 == null ? " " : v1.getString()), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(StringUtils.trim(v0.getString(), true, true, v1 == null ? " " : v1.getString()),
database.getMode().treatEmptyStringsAsNull);
break;
case RTRIM:
result = ValueString.get(StringUtils.trim(v0.getString(), false, true, v1 == null ? " " : v1.getString()), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(StringUtils.trim(v0.getString(), false, true, v1 == null ? " " : v1.getString()),
database.getMode().treatEmptyStringsAsNull);
break;
case SUBSTR:
case SUBSTRING: {
......@@ -1159,27 +1187,31 @@ public class Function extends Expression implements FunctionCall {
offset = s.length() + offset + 1;
}
int length = v2 == null ? s.length() : v2.getInt();
result = ValueString.get(substring(s, offset, length), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(substring(s, offset, length),
database.getMode().treatEmptyStringsAsNull);
break;
}
case POSITION:
result = ValueInt.get(locate(v0.getString(), v1.getString(), 0));
break;
case XMLATTR:
result = ValueString.get(StringUtils.xmlAttr(v0.getString(), v1.getString()), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(StringUtils.xmlAttr(v0.getString(), v1.getString()),
database.getMode().treatEmptyStringsAsNull);
break;
case XMLNODE: {
String attr = v1 == null ? null : v1 == ValueNull.INSTANCE ? null : v1.getString();
String content = v2 == null ? null : v2 == ValueNull.INSTANCE ? null : v2.getString();
boolean indent = v3 == null ? true : v3.getBoolean();
result = ValueString.get(StringUtils.xmlNode(v0.getString(), attr, content, indent), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(StringUtils.xmlNode(v0.getString(), attr, content, indent),
database.getMode().treatEmptyStringsAsNull);
break;
}
case REGEXP_REPLACE: {
String regexp = v1.getString();
String replacement = v2.getString();
try {
result = ValueString.get(v0.getString().replaceAll(regexp, replacement), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(v0.getString().replaceAll(regexp, replacement),
database.getMode().treatEmptyStringsAsNull);
} catch (StringIndexOutOfBoundsException e) {
throw DbException.get(ErrorCode.LIKE_ESCAPE_ERROR_1, e, replacement);
} catch (PatternSyntaxException e) {
......@@ -1188,17 +1220,21 @@ public class Function extends Expression implements FunctionCall {
break;
}
case RPAD:
result = ValueString.get(StringUtils.pad(v0.getString(), v1.getInt(), v2 == null ? null : v2.getString(), true), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(StringUtils.pad(v0.getString(), v1.getInt(), v2 == null ? null : v2.getString(), true),
database.getMode().treatEmptyStringsAsNull);
break;
case LPAD:
result = ValueString.get(StringUtils.pad(v0.getString(), v1.getInt(), v2 == null ? null : v2.getString(), false), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(StringUtils.pad(v0.getString(), v1.getInt(), v2 == null ? null : v2.getString(), false),
database.getMode().treatEmptyStringsAsNull);
break;
case TO_CHAR:
switch(v0.getType()){
case Value.TIME:
case Value.DATE:
case Value.TIMESTAMP:
result = ValueString.get(toChar(v0.getTimestamp(), v1 == null ? null : v1.getString(), v2 == null ? null : v2.getString()), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(toChar(v0.getTimestamp(),
v1 == null ? null : v1.getString(), v2 == null ? null : v2.getString()),
database.getMode().treatEmptyStringsAsNull);
break;
case Value.SHORT:
case Value.INT:
......@@ -1206,14 +1242,18 @@ public class Function extends Expression implements FunctionCall {
case Value.DECIMAL:
case Value.DOUBLE:
case Value.FLOAT:
result = ValueString.get(toChar(v0.getBigDecimal(), v1 == null ? null : v1.getString(), v2 == null ? null : v2.getString()), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(toChar(v0.getBigDecimal(),
v1 == null ? null : v1.getString(), v2 == null ? null : v2.getString()),
database.getMode().treatEmptyStringsAsNull);
break;
default:
result = ValueString.get(v0.getString(), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(v0.getString(),
database.getMode().treatEmptyStringsAsNull);
}
break;
case H2VERSION:
result = ValueString.get(Constants.getVersion(), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(Constants.getVersion(),
database.getMode().treatEmptyStringsAsNull);
break;
case DATE_ADD:
result = ValueTimestamp.get(dateadd(v0.getString(), v1.getInt(), v2.getTimestamp()));
......@@ -1232,7 +1272,9 @@ public class Function extends Expression implements FunctionCall {
} else {
String locale = v2 == null ? null : v2 == ValueNull.INSTANCE ? null : v2.getString();
String tz = v3 == null ? null : v3 == ValueNull.INSTANCE ? null : v3.getString();
result = ValueString.get(DateTimeUtils.formatDateTime(v0.getTimestamp(), v1.getString(), locale, tz), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(DateTimeUtils.formatDateTime(
v0.getTimestamp(), v1.getString(), locale, tz),
database.getMode().treatEmptyStringsAsNull);
}
break;
}
......@@ -1363,13 +1405,16 @@ public class Function extends Expression implements FunctionCall {
}
case XMLTEXT:
if (v1 == null) {
result = ValueString.get(StringUtils.xmlText(v0.getString()), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(StringUtils.xmlText(v0.getString()),
database.getMode().treatEmptyStringsAsNull);
} else {
result = ValueString.get(StringUtils.xmlText(v0.getString(), v1.getBoolean()), database.getMode().treatEmptyStringsAsNull);
result = ValueString.get(StringUtils.xmlText(v0.getString(), v1.getBoolean()),
database.getMode().treatEmptyStringsAsNull);
}
break;
case VALUES:
result = session.getVariable(args[0].getSchemaName() + "." + args[0].getTableName() + "." + args[0].getColumnName());
result = session.getVariable(args[0].getSchemaName() + "." +
args[0].getTableName() + "." + args[0].getColumnName());
break;
default:
throw DbException.throwInternalError("type=" + info.type);
......
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