Class SybaseSqlBuilder
- Namespace
- LinqToDB.Internal.DataProvider.Sybase
- Assembly
- linq2db.dll
public class SybaseSqlBuilder : BasicSqlBuilder, ISqlBuilder
- Inheritance
-
objectSybaseSqlBuilder
- Implements
- Inherited Members
- Extension Methods
Constructors
SybaseSqlBuilder(IDataProvider?, MappingSchema, DataOptions, ISqlOptimizer, SqlProviderFlags)
public SybaseSqlBuilder(IDataProvider? provider, MappingSchema mappingSchema, DataOptions dataOptions, ISqlOptimizer sqlOptimizer, SqlProviderFlags sqlProviderFlags)
Parameters
providerIDataProvidermappingSchemaMappingSchemadataOptionsDataOptionssqlOptimizerISqlOptimizersqlProviderFlagsSqlProviderFlags
Properties
ConcatStyle
SQL-emit shape for SqlConcatExpression. Defaults to Plus; override per provider.
protected override BasicSqlBuilder.ConcatBuildStyle ConcatStyle { get; }
Property Value
IsValuesSyntaxSupported
If true, provider supports list of VALUES as a source element of merge command.
protected override bool IsValuesSyntaxSupported { get; }
Property Value
SupportsColumnAliasesInSource
If true, provider supports column aliases specification after table alias. E.g. as table_alias (column_alias1, column_alias2).
protected override bool SupportsColumnAliasesInSource { get; }
Property Value
Methods
BuildColumnExpression(SelectQuery?, ISqlExpression, string?, ref bool)
protected override void BuildColumnExpression(SelectQuery? selectQuery, ISqlExpression expr, string? alias, ref bool addAlias)
Parameters
selectQuerySelectQueryexprISqlExpressionaliasstringaddAliasbool
BuildCommand(SqlStatement, int)
protected override void BuildCommand(SqlStatement statement, int commandNumber)
Parameters
statementSqlStatementcommandNumberint
BuildCreateTableIdentityAttribute1(SqlField)
protected override void BuildCreateTableIdentityAttribute1(SqlField field)
Parameters
fieldSqlField
BuildCreateTableNullAttribute(SqlField, DefaultNullable)
protected override void BuildCreateTableNullAttribute(SqlField field, DefaultNullable defaultNullable)
Parameters
fieldSqlFielddefaultNullableDefaultNullable
BuildCreateTablePrimaryKey(SqlCreateTableStatement, string, IEnumerable<string>)
protected override void BuildCreateTablePrimaryKey(SqlCreateTableStatement createTable, string pkName, IEnumerable<string> fieldNames)
Parameters
createTableSqlCreateTableStatementpkNamestringfieldNamesIEnumerable<string>
BuildDataTypeFromDataType(DbDataType, bool, bool)
protected override void BuildDataTypeFromDataType(DbDataType type, bool forCreateTable, bool canBeNull)
Parameters
typeDbDataTypeforCreateTableboolcanBeNullboolType could store
NULLvalues (could be used for column table type generation or for databases with explicit typee nullability like ClickHouse).
BuildDeleteClause(SqlDeleteStatement)
protected override void BuildDeleteClause(SqlDeleteStatement deleteStatement)
Parameters
deleteStatementSqlDeleteStatement
BuildDropTableStatement(SqlDropTableStatement)
protected override void BuildDropTableStatement(SqlDropTableStatement dropTable)
Parameters
dropTableSqlDropTableStatement
BuildEmptyInsert(SqlInsertClause)
protected override void BuildEmptyInsert(SqlInsertClause insertClause)
Parameters
insertClauseSqlInsertClause
BuildEndCreateTableStatement(SqlCreateTableStatement)
protected override void BuildEndCreateTableStatement(SqlCreateTableStatement createTable)
Parameters
createTableSqlCreateTableStatement
BuildGetIdentity(SqlInsertClause)
protected override void BuildGetIdentity(SqlInsertClause insertClause)
Parameters
insertClauseSqlInsertClause
BuildInsertOrUpdateQuery(SqlInsertOrUpdateStatement)
protected override void BuildInsertOrUpdateQuery(SqlInsertOrUpdateStatement insertOrUpdate)
Parameters
insertOrUpdateSqlInsertOrUpdateStatement
BuildIsDistinctPredicate(IsDistinct)
protected override void BuildIsDistinctPredicate(SqlPredicate.IsDistinct expr)
Parameters
exprSqlPredicate.IsDistinct
BuildMergeStatement(SqlMergeStatement)
protected override void BuildMergeStatement(SqlMergeStatement merge)
Parameters
mergeSqlMergeStatement
BuildMergeTerminator(NullabilityContext, SqlMergeStatement)
Allows to add text after generated merge command. E.g. to specify command terminator if provider requires it.
protected override void BuildMergeTerminator(NullabilityContext nullability, SqlMergeStatement merge)
Parameters
nullabilityNullabilityContextmergeSqlMergeStatement
BuildObjectName(StringBuilder, SqlObjectName, ConvertType, bool, TableOptions, bool)
Writes database object name into provided StringBuilder instance.
public override StringBuilder BuildObjectName(StringBuilder sb, SqlObjectName name, ConvertType objectType = ConvertType.NameToQueryTable, bool escape = true, TableOptions tableOptions = TableOptions.NotSet, bool withoutSuffix = false)
Parameters
sbStringBuilderString builder for generated object name.
nameSqlObjectNameName of database object (e.g. table, view, procedure or function).
objectTypeConvertTypeType of database object, used to select proper name converter.
escapeboolIf true, apply required escaping to name components. Must be true except rare cases when escaping is not needed.
tableOptionsTableOptionsTable options if called for table. Used to properly generate names for temporary tables.
withoutSuffixboolIf object name have suffix, which could be detached from main name, this parameter disables suffix generation (enables generation of only main name part).
Returns
- StringBuilder
sbparameter value.
BuildSelectClause(SelectQuery)
protected override void BuildSelectClause(SelectQuery selectQuery)
Parameters
selectQuerySelectQuery
BuildSqlConcatExpression(SqlConcatExpression)
protected override void BuildSqlConcatExpression(SqlConcatExpression element)
Parameters
elementSqlConcatExpression
BuildStartCreateTableStatement(SqlCreateTableStatement)
protected override void BuildStartCreateTableStatement(SqlCreateTableStatement createTable)
Parameters
createTableSqlCreateTableStatement
BuildTruncateTable(SqlTruncateTableStatement)
protected override void BuildTruncateTable(SqlTruncateTableStatement truncateTable)
Parameters
truncateTableSqlTruncateTableStatement
BuildTypedExpression(DbDataType, ISqlExpression)
protected override void BuildTypedExpression(DbDataType dataType, ISqlExpression value)
Parameters
dataTypeDbDataTypevalueISqlExpression
BuildUpdateTableName(SelectQuery, SqlUpdateClause)
protected override void BuildUpdateTableName(SelectQuery selectQuery, SqlUpdateClause updateClause)
Parameters
selectQuerySelectQueryupdateClauseSqlUpdateClause
CommandCount(SqlStatement)
public override int CommandCount(SqlStatement statement)
Parameters
statementSqlStatement
Returns
Convert(StringBuilder, string, ConvertType)
public override StringBuilder Convert(StringBuilder sb, string value, ConvertType convertType)
Parameters
sbStringBuildervaluestringconvertTypeConvertType
Returns
CreateSqlBuilder()
protected override ISqlBuilder CreateSqlBuilder()
Returns
FirstFormat(SelectQuery)
protected override string FirstFormat(SelectQuery selectQuery)
Parameters
selectQuerySelectQuery
Returns
GetProviderTypeName(IDataContext, DbParameter)
protected override string? GetProviderTypeName(IDataContext dataContext, DbParameter parameter)
Parameters
dataContextIDataContextparameterDbParameter
Returns
IsSqlValuesTableValueTypeRequired(SqlValuesTable, IReadOnlyList<List<ISqlExpression>>, int, int)
Checks that value in specific row and column in enumerable source requires type information generation.
protected override bool IsSqlValuesTableValueTypeRequired(SqlValuesTable source, IReadOnlyList<List<ISqlExpression>> rows, int row, int column)
Parameters
sourceSqlValuesTableMerge source table.
rowsIReadOnlyList<List<ISqlExpression>>Merge source data.
rowintIndex of data row to check. Could contain -1 to indicate that this is a check for empty source NULL value.
columnintIndex of data column to check in row.