TDAFieldGenerator

Overview

TDAFieldGenerator adds connection support into TDABaseFieldGenerator.

This class is used automatically by TDAQueryBuilder.

Location

Unit: uDAQueryBuilder.pas
Ancestry: TPersistent | TDABaseFieldGenerator | TDAFieldGenerator

constructor Create reintroduce overload (declared in TDABaseFieldGenerator)

Creates a new instance.

constructor Create

constructor Create (TDASimpleQueryBuilder) reintroduce overload (declared in TDABaseFieldGenerator)

Creates a new instance with given parameter.

constructor Create(AQueryBuilder: TDASimpleQueryBuilder)

Parameters:

AQueryBuilder: query builder

AlwaysQuoteFieldName (declared in TDABaseFieldGenerator)

Changes the behavior of QuoteFieldNameIfNeeded method.

property AlwaysQuoteFieldName: Boolean read write

Assign override

Copies the contents of another instance to the object where the method is executed

procedure Assign(Source: TPersistent)

Parameters:

Source: Instance whose properties will be copied

ColumnMapping (declared in TDABaseFieldGenerator)

Column mapping.

property ColumnMapping: TDAColumnMappingCollection read write

Connection

Active connection

property Connection: IDACustomConnection read write

GenerateFieldName (declared in TDABaseFieldGenerator)

Generates field name according to column mapping and quotation.

function GenerateFieldName(aTablename: string; aFieldName: string; aProcessMapping: Boolean): string

Parameters:

aTablename: table name
aFieldName: field name
aProcessMapping: Controls if GetMappingTableField is applied to aFieldName. true by default.

GetMappingTableField protected (declared in TDABaseFieldGenerator)

Returns correspondent name from column mapping.

function GetMappingTableField(const aDataSetField: string): string

Parameters:

aDataSetField: dataset field

IdentifierNeedsQuoting protected override

Checks if identifier need to be quoted.

function IdentifierNeedsQuoting(const iIdentifier: string): Boolean

Parameters:

iIdentifier: identifier.

QuoteFieldNameIfNeeded protected override

Quotes field name if is required.

function QuoteFieldNameIfNeeded(const aTableName: string; const aFieldName: string): string

Parameters:

aTableName: table name.
aFieldName: field name.

QuoteIdentifier protected override

Quotes identifier.

function QuoteIdentifier(const iIdentifier: string): string

Parameters:

iIdentifier: identifier.

QuoteIdentifierIfNeeded protected override

Quotes identifier if is required.

function QuoteIdentifierIfNeeded(const iIdentifier: string): string

Parameters:

iIdentifier: identifier.

AlwaysQuoteFieldName (declared in TDABaseFieldGenerator)

Changes the behavior of QuoteFieldNameIfNeeded method.

property AlwaysQuoteFieldName: Boolean read write

ColumnMapping (declared in TDABaseFieldGenerator)

Column mapping.

property ColumnMapping: TDAColumnMappingCollection read write

Connection

Active connection

property Connection: IDACustomConnection read write

constructor Create reintroduce overload (declared in TDABaseFieldGenerator)

Creates a new instance.

constructor Create

constructor Create (TDASimpleQueryBuilder) reintroduce overload (declared in TDABaseFieldGenerator)

Creates a new instance with given parameter.

constructor Create(AQueryBuilder: TDASimpleQueryBuilder)

Parameters:

AQueryBuilder: query builder

Assign override

Copies the contents of another instance to the object where the method is executed

procedure Assign(Source: TPersistent)

Parameters:

Source: Instance whose properties will be copied

GenerateFieldName (declared in TDABaseFieldGenerator)

Generates field name according to column mapping and quotation.

function GenerateFieldName(aTablename: string; aFieldName: string; aProcessMapping: Boolean): string

Parameters:

aTablename: table name
aFieldName: field name
aProcessMapping: Controls if GetMappingTableField is applied to aFieldName. true by default.

GetMappingTableField protected (declared in TDABaseFieldGenerator)

Returns correspondent name from column mapping.

function GetMappingTableField(const aDataSetField: string): string

Parameters:

aDataSetField: dataset field

IdentifierNeedsQuoting protected override

Checks if identifier need to be quoted.

function IdentifierNeedsQuoting(const iIdentifier: string): Boolean

Parameters:

iIdentifier: identifier.

QuoteFieldNameIfNeeded protected override

Quotes field name if is required.

function QuoteFieldNameIfNeeded(const aTableName: string; const aFieldName: string): string

Parameters:

aTableName: table name.
aFieldName: field name.

QuoteIdentifier protected override

Quotes identifier.

function QuoteIdentifier(const iIdentifier: string): string

Parameters:

iIdentifier: identifier.

QuoteIdentifierIfNeeded protected override

Quotes identifier if is required.

function QuoteIdentifierIfNeeded(const iIdentifier: string): string

Parameters:

iIdentifier: identifier.

TDASQL92FieldGenerator