Package com.mysql.cj.xdevapi

Class ExprUtil

java.lang.Object

com.mysql.cj.xdevapi.ExprUtil

public class ExprUtil
extends java.lang.Object

Utilities to deal with Expr (and related) structures.

Constructor Summary

Constructors

Constructor	Description
ExprUtil()

Method Summary

Modifier and Type	Method	Description
static MysqlxDatatypes.Any	anyOf(MysqlxDatatypes.Scalar s)	Protocol buffers helper to build an Any Scalar type.
static MysqlxExpr.Expr	argObjectToExpr(java.lang.Object value, boolean allowRelationalColumns)	Protocol buffers helper to build Expr with any object.
static MysqlxDatatypes.Scalar	argObjectToScalar(java.lang.Object value)	Protocol buffers helper to build a Scalar type with any object.
static MysqlxDatatypes.Any	argObjectToScalarAny(java.lang.Object value)	Protocol buffers helper to build an Any type with any object.
static MysqlxDatatypes.Any	buildAny(boolean b)	Build a Protocol buffers Any with a boolean value.
static MysqlxDatatypes.Any	buildAny(java.lang.String str)	Build a Protocol buffers Any with a string value.
static MysqlxCrud.Collection	buildCollection(java.lang.String schemaName, java.lang.String collectionName)	Build a Protocol buffers Collection.
static MysqlxExpr.Expr	buildLiteralExpr(MysqlxDatatypes.Scalar scalar)	Wrap an Any value in a LITERAL expression.
static MysqlxExpr.Expr	buildLiteralNullScalar()	Protocol buffers helper to build a LITERAL Expr with a Scalar NULL type.
static MysqlxExpr.Expr	buildLiteralScalar(boolean b)	Protocol buffers helper to build a LITERAL Expr with a Scalar BOOL type.
static MysqlxExpr.Expr	buildLiteralScalar(byte[] bytes)	Protocol buffers helper to build a LITERAL Expr with a Scalar OCTETS type.
static MysqlxExpr.Expr	buildLiteralScalar(double d)	Protocol buffers helper to build a LITERAL Expr with a Scalar DOUBLE type.
static MysqlxExpr.Expr	buildLiteralScalar(long l)	Protocol buffers helper to build a LITERAL Expr with a Scalar SINT (signed int) type.
static MysqlxExpr.Expr	buildLiteralScalar(java.lang.String str)	Protocol buffers helper to build a LITERAL Expr with a Scalar STRING type.
static MysqlxExpr.Expr	buildPlaceholderExpr(int pos)	Creates a placeholder expression for the given position in the args array
static MysqlxDatatypes.Scalar	nullScalar()	Protocol buffers helper to build a Scalar NULL type.
static MysqlxDatatypes.Scalar	scalarOf(boolean b)	Protocol buffers helper to build a Scalar BOOL type.
static MysqlxDatatypes.Scalar	scalarOf(byte[] bytes)	Protocol buffers helper to build a Scalar OCTETS type.
static MysqlxDatatypes.Scalar	scalarOf(double d)	Protocol buffers helper to build a Scalar DOUBLE type.
static MysqlxDatatypes.Scalar	scalarOf(long l)	Protocol buffers helper to build a Scalar SINT (signed int) type.
static MysqlxDatatypes.Scalar	scalarOf(java.lang.String str)	Protocol buffers helper to build a Scalar STRING type.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ExprUtil

public ExprUtil()

Method Details

buildLiteralNullScalar

public static MysqlxExpr.Expr buildLiteralNullScalar()

Protocol buffers helper to build a LITERAL Expr with a Scalar NULL type.

Returns:

MysqlxExpr.Expr

buildLiteralScalar

public static MysqlxExpr.Expr buildLiteralScalar(double d)

Protocol buffers helper to build a LITERAL Expr with a Scalar DOUBLE type.

Parameters:

d - value

Returns:

MysqlxExpr.Expr

buildLiteralScalar

public static MysqlxExpr.Expr buildLiteralScalar(long l)

Protocol buffers helper to build a LITERAL Expr with a Scalar SINT (signed int) type.

Parameters:

l - value

Returns:

MysqlxExpr.Expr

buildLiteralScalar

public static MysqlxExpr.Expr buildLiteralScalar(java.lang.String str)

Protocol buffers helper to build a LITERAL Expr with a Scalar STRING type.

Parameters:

str - value

Returns:

MysqlxExpr.Expr

buildLiteralScalar

public static MysqlxExpr.Expr buildLiteralScalar(byte[] bytes)

Protocol buffers helper to build a LITERAL Expr with a Scalar OCTETS type.

Parameters:

bytes - value

Returns:

MysqlxExpr.Expr

buildLiteralScalar

public static MysqlxExpr.Expr buildLiteralScalar(boolean b)

Protocol buffers helper to build a LITERAL Expr with a Scalar BOOL type.

Parameters:

b - value

Returns:

MysqlxExpr.Expr

buildLiteralExpr

public static MysqlxExpr.Expr buildLiteralExpr(MysqlxDatatypes.Scalar scalar)

Wrap an Any value in a LITERAL expression.

Parameters:

scalar - MysqlxDatatypes.Scalar

Returns:

MysqlxExpr.Expr

buildPlaceholderExpr

public static MysqlxExpr.Expr buildPlaceholderExpr(int pos)

Creates a placeholder expression for the given position in the args array

Parameters:

pos - the position of the placeholder in the args array

Returns:

MysqlxExpr.Expr

nullScalar

public static MysqlxDatatypes.Scalar nullScalar()

Protocol buffers helper to build a Scalar NULL type.

Returns:

MysqlxDatatypes.Scalar

scalarOf

public static MysqlxDatatypes.Scalar scalarOf(double d)

Protocol buffers helper to build a Scalar DOUBLE type.

Parameters:

d - value

Returns:

MysqlxDatatypes.Scalar

scalarOf

public static MysqlxDatatypes.Scalar scalarOf(long l)

Protocol buffers helper to build a Scalar SINT (signed int) type.

Parameters:

l - value

Returns:

MysqlxDatatypes.Scalar

scalarOf

public static MysqlxDatatypes.Scalar scalarOf(java.lang.String str)

Protocol buffers helper to build a Scalar STRING type.

Parameters:

str - value

Returns:

MysqlxDatatypes.Scalar

scalarOf

public static MysqlxDatatypes.Scalar scalarOf(byte[] bytes)

Protocol buffers helper to build a Scalar OCTETS type.

Parameters:

bytes - value

Returns:

MysqlxDatatypes.Scalar

scalarOf

public static MysqlxDatatypes.Scalar scalarOf(boolean b)

Protocol buffers helper to build a Scalar BOOL type.

Parameters:

b - value

Returns:

MysqlxDatatypes.Scalar

anyOf

public static MysqlxDatatypes.Any anyOf(MysqlxDatatypes.Scalar s)

Protocol buffers helper to build an Any Scalar type.

Parameters:

s - value

Returns:

MysqlxDatatypes.Any

buildAny

public static MysqlxDatatypes.Any buildAny(java.lang.String str)

Build a Protocol buffers Any with a string value.

Parameters:

str - value

Returns:

MysqlxDatatypes.Any

buildAny

public static MysqlxDatatypes.Any buildAny(boolean b)

Build a Protocol buffers Any with a boolean value.

Parameters:

b - value

Returns:

MysqlxDatatypes.Any

buildCollection

public static MysqlxCrud.Collection buildCollection(java.lang.String schemaName, java.lang.String collectionName)

Build a Protocol buffers Collection.

Parameters:

schemaName - schema name

collectionName - collection name

Returns:

MysqlxCrud.Collection

argObjectToScalar

public static MysqlxDatatypes.Scalar argObjectToScalar(java.lang.Object value)

Protocol buffers helper to build a Scalar type with any object.

Parameters:

value - value

Returns:

MysqlxDatatypes.Scalar

argObjectToScalarAny

public static MysqlxDatatypes.Any argObjectToScalarAny(java.lang.Object value)

Protocol buffers helper to build an Any type with any object.

Parameters:

value - value

Returns:

MysqlxDatatypes.Any

argObjectToExpr

public static MysqlxExpr.Expr argObjectToExpr(java.lang.Object value, boolean allowRelationalColumns)

Protocol buffers helper to build Expr with any object.

Parameters:

value - value

allowRelationalColumns - Are relational columns identifiers allowed?

Returns:

MysqlxExpr.Expr