com.mysql.cj.xdevapi

Class ExprUnparser

java.lang.Object

com.mysql.cj.xdevapi.ExprUnparser

public class ExprUnparser
extends java.lang.Object

Serializer utility for dealing with X Protocol expression trees.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) static java.util.Set<java.lang.String>	infixOperators List of operators which will be serialized as infix operators.

Constructor Summary

Constructors

Constructor and Description
ExprUnparser()

Method Summary

Modifier and Type	Method and Description
(package private) static java.lang.String	arrayToString(MysqlxExpr.Array e)
(package private) static java.lang.String	columnIdentifierToString(MysqlxExpr.ColumnIdentifier e) Column identifier (or JSON path) to string.
(package private) static java.lang.String	documentPathToString(java.util.List<MysqlxExpr.DocumentPathItem> items) JSON document path to string.
static java.lang.String	escapeLiteral(java.lang.String s) Escape a string literal.
static java.lang.String	exprToString(MysqlxExpr.Expr e) Serialize an expression to a string.
(package private) static java.lang.String	functionCallToString(MysqlxExpr.FunctionCall e) Function call to string.
(package private) static java.lang.String	objectToString(MysqlxExpr.Object o)
(package private) static java.lang.String	operatorToString(MysqlxExpr.Operator e) Convert an operator to a string.
(package private) static java.lang.String	paramListToString(java.util.List<java.lang.String> params) Create a string from a list of (already stringified) parameters.
static java.lang.String	quoteDocumentPathMember(java.lang.String member) Quote a JSON document path member.
static java.lang.String	quoteIdentifier(java.lang.String ident) Quote a named identifier.
static java.lang.String	quoteJsonKey(java.lang.String key) Quote a JSON document field key.
(package private) static java.lang.String	scalarToString(MysqlxDatatypes.Scalar e) Scalar to string.

Methods inherited from class java.lang.Object

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

Field Detail

infixOperators

static java.util.Set<java.lang.String> infixOperators

List of operators which will be serialized as infix operators.

Constructor Detail

ExprUnparser

public ExprUnparser()

Method Detail

scalarToString

static java.lang.String scalarToString(MysqlxDatatypes.Scalar e)

Scalar to string.

Parameters:

e - MysqlxDatatypes.Scalar

Returns:

scalar string

documentPathToString

static java.lang.String documentPathToString(java.util.List<MysqlxExpr.DocumentPathItem> items)

JSON document path to string.

Parameters:

items - list of MysqlxExpr.DocumentPathItem objects

Returns:

JSON document path string

columnIdentifierToString

static java.lang.String columnIdentifierToString(MysqlxExpr.ColumnIdentifier e)

Column identifier (or JSON path) to string.

Parameters:

e - MysqlxExpr.ColumnIdentifier

Returns:

Column identifier or JSON path string.

functionCallToString

static java.lang.String functionCallToString(MysqlxExpr.FunctionCall e)

Function call to string.

Parameters:

e - MysqlxExpr.FunctionCall

Returns:

Function call string

arrayToString

static java.lang.String arrayToString(MysqlxExpr.Array e)

paramListToString

static java.lang.String paramListToString(java.util.List<java.lang.String> params)

Create a string from a list of (already stringified) parameters. Surround by parens and separate by commas.

Parameters:

params - list of param strings

Returns:

param list string

operatorToString

static java.lang.String operatorToString(MysqlxExpr.Operator e)

Convert an operator to a string. Includes special cases for chosen infix operators (AND, OR) and special forms such as LIKE and BETWEEN.

Parameters:

e - MysqlxExpr.Operator

Returns:

Operator string

objectToString

static java.lang.String objectToString(MysqlxExpr.Object o)

escapeLiteral

public static java.lang.String escapeLiteral(java.lang.String s)

Escape a string literal.

Parameters:

s - literal

Returns:

escaped literal

quoteIdentifier

public static java.lang.String quoteIdentifier(java.lang.String ident)

Quote a named identifier.

Parameters:

ident - identifier

Returns:

quoted identifier

quoteJsonKey

public static java.lang.String quoteJsonKey(java.lang.String key)

Quote a JSON document field key.

Parameters:

key - key

Returns:

quoted key

quoteDocumentPathMember

public static java.lang.String quoteDocumentPathMember(java.lang.String member)

Quote a JSON document path member.

Parameters:

member - path member

Returns:

quoted path member

exprToString

public static java.lang.String exprToString(MysqlxExpr.Expr e)

Serialize an expression to a string.

Parameters:

e - MysqlxExpr.Expr

Returns:

string expression