Package org.h2.value
Class TypeInfo
java.lang.Object
org.h2.value.ExtTypeInfo
org.h2.value.TypeInfo
Data type with parameters.
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Field Summary
FieldsModifier and TypeFieldDescriptionprivate final ExtTypeInfo
private final long
private final int
static final TypeInfo
ARRAY type with unknown parameters.static final TypeInfo
BIGINT type with parameters.static final TypeInfo
BINARY type with default parameters.static final TypeInfo
BINARY LARGE OBJECT type with maximum parameters.static final TypeInfo
BOOLEAN type with parameters.static final TypeInfo
CHAR type with default parameters.static final TypeInfo
CHARACTER LARGE OBJECT type with maximum parameters.static final TypeInfo
DATE type with parameters.static final TypeInfo
DECFLOAT type with maximum parameters.static final TypeInfo
DECFLOAT type with parameters enough to hold a BIGINT value.static final TypeInfo
DOUBLE PRECISION type with parameters.static final TypeInfo
ENUM type with undefined parameters.static final TypeInfo
GEOMETRY type with default parameters.private static final TypeInfo[]
static final TypeInfo
INTEGER type with parameters.static final TypeInfo
INTERVAL DAY type with maximum parameters.static final TypeInfo
INTERVAL DAY TO SECOND type with maximum parameters.static final TypeInfo
INTERVAL HOUR TO SECOND type with maximum parameters.static final TypeInfo
INTERVAL YEAR TO MONTH type with maximum parameters.static final TypeInfo
JAVA_OBJECT type with maximum parameters.static final TypeInfo
JSON type.static final TypeInfo
NULL type with parameters.static final TypeInfo
NUMERIC type with parameters enough to hold a BIGINT value.static final TypeInfo
NUMERIC type that can hold values with floating point.static final TypeInfo
NUMERIC type with maximum precision and scale 0.static final TypeInfo
REAL type with parameters.static final TypeInfo
ROW (row value) type without fields.static final TypeInfo
SMALLINT type with parameters.static final TypeInfo
TIME type with maximum parameters.static final TypeInfo
TIME WITH TIME ZONE type with maximum parameters.static final TypeInfo
TIMESTAMP type with maximum parameters.static final TypeInfo
TIMESTAMP WITH TIME ZONE type with maximum parameters.static final TypeInfo
TINYINT type with parameters.static final TypeInfo
UNKNOWN type with parameters.static final TypeInfo
UUID type with parameters.static final TypeInfo
BINARY VARYING type with maximum parameters.static final TypeInfo
CHARACTER VARYING type with maximum parameters.static final TypeInfo
VARCHAR_IGNORECASE type with maximum parameters.private final int
Fields inherited from interface org.h2.util.HasSQL
ADD_PLAN_INFORMATION, DEFAULT_SQL_FLAGS, NO_CASTS, QUOTE_ONLY_WHEN_REQUIRED, REPLACE_LOBS_FOR_TRACE, TRACE_SQL_FLAGS
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Constructor Summary
ConstructorsModifierConstructorDescriptionprivate
TypeInfo
(int valueType) private
TypeInfo
(int valueType, int scale) private
TypeInfo
(int valueType, long precision) TypeInfo
(int valueType, long precision, int scale, ExtTypeInfo extTypeInfo) Creates new instance of data type with parameters. -
Method Summary
Modifier and TypeMethodDescriptionprivate static boolean
areComparable
(TypeInfo t1, TypeInfo t2) Determines whether two specified types are comparable.static boolean
areSameTypes
(TypeInfo t1, TypeInfo t2) Determines whether two specified types are the same data types without taking precision or scale into account.static void
checkComparable
(TypeInfo t1, TypeInfo t2) Checks whether two specified types are comparable and throws an exception otherwise.private static int
dimensions
(TypeInfo type) boolean
long
Returns approximate precision in decimal digits for binary numeric data types and precision for all other types.long
Returns the precision, or-1L
if not specified in data type definition.int
Returns the scale, or-1
if not specified in data type definition.Returns the declared name of this data type with precision, scale, length, cardinality etc.int
Returns the display size in characters.Returns the extended type information, or null.private static TypeInfo
getHigherArray
(TypeInfo type1, TypeInfo type2, int d1, int d2) private static TypeInfo
getHigherRow
(TypeInfo type1, TypeInfo type2) static TypeInfo
getHigherType
(Typed[] values) Get the higher data type of all values.static TypeInfo
getHigherType
(TypeInfo type1, TypeInfo type2) Get the higher data type of two data types.long
Returns the precision.int
getScale()
Returns the scale.getSQL
(StringBuilder builder, int sqlFlags) Appends the SQL statement of this object to the specified builder.getType()
Returns this type information.static TypeInfo
getTypeInfo
(int type) Get the data type with parameters object for the given value type and maximum parameters.static TypeInfo
getTypeInfo
(int type, long precision, int scale, ExtTypeInfo extTypeInfo) Get the data type with parameters object for the given value type and the specified parameters.int
Returns the value type.int
hashCode()
static boolean
haveSameOrdering
(TypeInfo t1, TypeInfo t2) Determines whether two specified types have the same ordering rules.Convert this type information to compatible DECFLOAT type information.Convert this type information to compatible NUMERIC type information.private static TypeInfo
Returns unwrapped data type if this data type is a row type with degree 1 or this type otherwise.Methods inherited from class org.h2.value.ExtTypeInfo
toString
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
Methods inherited from interface org.h2.util.HasSQL
getSQL, getTraceSQL
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Field Details
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TYPE_UNKNOWN
UNKNOWN type with parameters. -
TYPE_NULL
NULL type with parameters. -
TYPE_CHAR
CHAR type with default parameters. -
TYPE_VARCHAR
CHARACTER VARYING type with maximum parameters. -
TYPE_VARCHAR_IGNORECASE
VARCHAR_IGNORECASE type with maximum parameters. -
TYPE_CLOB
CHARACTER LARGE OBJECT type with maximum parameters. -
TYPE_BINARY
BINARY type with default parameters. -
TYPE_VARBINARY
BINARY VARYING type with maximum parameters. -
TYPE_BLOB
BINARY LARGE OBJECT type with maximum parameters. -
TYPE_BOOLEAN
BOOLEAN type with parameters. -
TYPE_TINYINT
TINYINT type with parameters. -
TYPE_SMALLINT
SMALLINT type with parameters. -
TYPE_INTEGER
INTEGER type with parameters. -
TYPE_BIGINT
BIGINT type with parameters. -
TYPE_NUMERIC_SCALE_0
NUMERIC type with maximum precision and scale 0. -
TYPE_NUMERIC_BIGINT
NUMERIC type with parameters enough to hold a BIGINT value. -
TYPE_NUMERIC_FLOATING_POINT
NUMERIC type that can hold values with floating point. -
TYPE_REAL
REAL type with parameters. -
TYPE_DOUBLE
DOUBLE PRECISION type with parameters. -
TYPE_DECFLOAT
DECFLOAT type with maximum parameters. -
TYPE_DECFLOAT_BIGINT
DECFLOAT type with parameters enough to hold a BIGINT value. -
TYPE_DATE
DATE type with parameters. -
TYPE_TIME
TIME type with maximum parameters. -
TYPE_TIME_TZ
TIME WITH TIME ZONE type with maximum parameters. -
TYPE_TIMESTAMP
TIMESTAMP type with maximum parameters. -
TYPE_TIMESTAMP_TZ
TIMESTAMP WITH TIME ZONE type with maximum parameters. -
TYPE_INTERVAL_DAY
INTERVAL DAY type with maximum parameters. -
TYPE_INTERVAL_YEAR_TO_MONTH
INTERVAL YEAR TO MONTH type with maximum parameters. -
TYPE_INTERVAL_DAY_TO_SECOND
INTERVAL DAY TO SECOND type with maximum parameters. -
TYPE_INTERVAL_HOUR_TO_SECOND
INTERVAL HOUR TO SECOND type with maximum parameters. -
TYPE_JAVA_OBJECT
JAVA_OBJECT type with maximum parameters. -
TYPE_ENUM_UNDEFINED
ENUM type with undefined parameters. -
TYPE_GEOMETRY
GEOMETRY type with default parameters. -
TYPE_JSON
JSON type. -
TYPE_UUID
UUID type with parameters. -
TYPE_ARRAY_UNKNOWN
ARRAY type with unknown parameters. -
TYPE_ROW_EMPTY
ROW (row value) type without fields. -
TYPE_INFOS_BY_VALUE_TYPE
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valueType
private final int valueType -
precision
private final long precision -
scale
private final int scale -
extTypeInfo
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Constructor Details
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TypeInfo
private TypeInfo(int valueType) -
TypeInfo
private TypeInfo(int valueType, long precision) -
TypeInfo
private TypeInfo(int valueType, int scale) -
TypeInfo
Creates new instance of data type with parameters.- Parameters:
valueType
- the value typeprecision
- the precisionscale
- the scaleextTypeInfo
- the extended type information, or null
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Method Details
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getTypeInfo
Get the data type with parameters object for the given value type and maximum parameters.- Parameters:
type
- the value type- Returns:
- the data type with parameters object
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getTypeInfo
Get the data type with parameters object for the given value type and the specified parameters.- Parameters:
type
- the value typeprecision
- the precision or-1L
for defaultscale
- the scale or-1
for defaultextTypeInfo
- the extended type information or null- Returns:
- the data type with parameters object
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getHigherType
Get the higher data type of all values.- Parameters:
values
- the values- Returns:
- the higher data type
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getHigherType
Get the higher data type of two data types. If values need to be converted to match the other operands data type, the value with the lower order is converted to the value with the higher order.- Parameters:
type1
- the first data typetype2
- the second data type- Returns:
- the higher data type of the two
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dimensions
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getHigherArray
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getHigherRow
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typeToRow
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areSameTypes
Determines whether two specified types are the same data types without taking precision or scale into account.- Parameters:
t1
- first data typet2
- second data type- Returns:
- whether types are the same
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checkComparable
Checks whether two specified types are comparable and throws an exception otherwise.- Parameters:
t1
- first data typet2
- second data type- Throws:
DbException
- if types aren't comparable
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areComparable
Determines whether two specified types are comparable.- Parameters:
t1
- first data typet2
- second data type- Returns:
- whether types are comparable
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haveSameOrdering
Determines whether two specified types have the same ordering rules.- Parameters:
t1
- first data typet2
- second data type- Returns:
- whether types are comparable
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getType
Returns this type information. -
getValueType
public int getValueType()Returns the value type.- Returns:
- the value type
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getPrecision
public long getPrecision()Returns the precision.- Returns:
- the precision
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getDeclaredPrecision
public long getDeclaredPrecision()Returns the precision, or-1L
if not specified in data type definition.- Returns:
- the precision, or
-1L
if not specified in data type definition
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getScale
public int getScale()Returns the scale.- Returns:
- the scale
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getDeclaredScale
public int getDeclaredScale()Returns the scale, or-1
if not specified in data type definition.- Returns:
- the scale, or
-1
if not specified in data type definition
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getDisplaySize
public int getDisplaySize()Returns the display size in characters.- Returns:
- the display size
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getExtTypeInfo
Returns the extended type information, or null.- Returns:
- the extended type information, or null
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getSQL
Description copied from interface:HasSQL
Appends the SQL statement of this object to the specified builder. -
hashCode
public int hashCode() -
equals
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toNumericType
Convert this type information to compatible NUMERIC type information.- Returns:
- NUMERIC type information
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toDecfloatType
Convert this type information to compatible DECFLOAT type information.- Returns:
- DECFLOAT type information
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unwrapRow
Returns unwrapped data type if this data type is a row type with degree 1 or this type otherwise.- Returns:
- unwrapped data type if this data type is a row type with degree 1 or this type otherwise
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getDecimalPrecision
public long getDecimalPrecision()Returns approximate precision in decimal digits for binary numeric data types and precision for all other types.- Returns:
- precision in decimal digits
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getDeclaredTypeName
Returns the declared name of this data type with precision, scale, length, cardinality etc. parameters removed, excluding parameters of ENUM data type, GEOMETRY data type, ARRAY elements, and ROW fields.- Returns:
- the declared name
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