TDAFieldGenerator

Overview

TDAFieldGenerator adds connection support into TDABaseFieldGenerator.

This class is used automatically by TDAQueryBuilder.

Location

 

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.

Descendants

See Also