Enum InfoType 

#[repr(u16)]
pub enum InfoType {
    MaxDriverConnections = 0,
    MaxConcurrentActivities = 1,
    DataSourceName = 2,
    DriverName = 6,
    DriverVer = 7,
    ServerName = 13,
    SearchPatternEscape = 14,
    DbmsName = 17,
    DbmsVer = 18,
    AccessibleTables = 19,
    AccessibleProcedures = 20,
    ConcatNullBehavior = 22,
    CursorCommitBehaviour = 23,
    DataSourceReadOnly = 25,
    DefaultTxnIsolation = 26,
    ExpressionsInOrderBy = 27,
    IdentifierCase = 28,
    IdentifierQuoteChar = 29,
    MaxColumnNameLen = 30,
    MaxCursorNameLen = 31,
    MaxSchemaNameLen = 32,
    MaxCatalogNameLen = 34,
    MaxTableNameLen = 35,
    MultResultSets = 36,
    OuterJoins = 38,
    SchemaTerm = 39,
    CatalogNameSeparator = 41,
    CatalogTerm = 42,
    ScrollOptions = 44,
    TransactionCapable = 46,
    UserName = 47,
    ConvertFunctions = 48,
    NumericFunctions = 49,
    StringFunctions = 50,
    SystemFunctions = 51,
    TimedateFunctions = 52,
    TransactionIsolationProtocol = 72,
    Integrity = 73,
    CorrelationName = 74,
    NonNullableColumns = 75,
    DriverOdbcVer = 77,
    GetDataExtensions = 81,
    SqlFileUsage = 84,
    NullCollation = 85,
    AlterTable = 86,
    ColumnAlias = 87,
    GroupBy = 88,
    OrderByColumnsInSelect = 90,
    SchemaUsage = 91,
    CatalogUsage = 92,
    SqlQuotedIdentifierCase = 93,
    SpecialCharacters = 94,
    Subqueries = 95,
    UnionStatement = 96,
    MaxColumnsInGroupBy = 97,
    MaxColumnsInIndex = 98,
    MaxColumnsInOrderBy = 99,
    MaxColumnsInSelect = 100,
    MaxColumnsInTable = 101,
    MaxIndexSize = 102,
    MaxRowSizeIncludesLong = 103,
    MaxRowSize = 104,
    MaxStatementLen = 105,
    MaxTablesInSelect = 106,
    MaxUserNameLen = 107,
    TimedateAddIntervals = 109,
    TimedateDiffIntervals = 110,
    NeedLongDataLen = 111,
    LikeEscapeClause = 113,
    CatalogLocation = 114,
    OuterJoinCapabilities = 115,
    ActiveEnvironments = 116,
    SqlConformance = 118,
    BatchRowCount = 120,
    BatchSupport = 121,
    DynamicCursorAttributes1 = 144,
    DynamicCursorAttributes2 = 145,
    ForwardOnlyCursorAttributes1 = 146,
    ForwardOnlyCursorAttributes2 = 147,
    KeysetCursorAttributes1 = 150,
    KeysetCursorAttributes2 = 151,
    OdbcInterfaceConformance = 152,
    ParamArrayRowCounts = 153,
    ParamArraySelects = 154,
    Sql92DatetimeFunctions = 155,
    Sql92ForeignKeyDeleteRule = 156,
    Sql92ForeignKeyUpdateRule = 157,
    Sql92Grant = 158,
    Sql92NumericValueFunctions = 159,
    Sql92Predicates = 160,
    Sql92RelationalJoinOperators = 161,
    Sql92Revoke = 162,
    Sql92RowValueConstructor = 163,
    Sql92StringFunctions = 164,
    Sql92ValueExpressions = 165,
    StaticCursorAttributes1 = 167,
    StaticCursorAttributes2 = 168,
    AggregateFunctions = 169,
    XopenCliYear = 10_000,
    CursorSensitivity = 10_001,
    DescribeParameter = 10_002,
    CatalogName = 10_003,
    CollationSeq = 10_004,
    MaxIdentifierLen = 10_005,
    AsyncMode = 10_021,
    MaxAsyncConcurrentStatements = 10_022,
    AsyncDbcFunctions = 10_023,
    DriverAwarePoolingSupported = 10_024,
    AsyncNotification = 10_025,
}

Information requested by SQLGetInfo

Variants

MaxDriverConnections = 0

MaxConcurrentActivities = 1

DataSourceName = 2

DriverName = 6

SQL_DRIVER_NAME. The name of the driver implementation file.

DriverVer = 7

SQL_DRIVER_VER. The version of the driver, in the form “MM.mm.rrrr”.

ServerName = 13

SearchPatternEscape = 14

DbmsName = 17

DbmsVer = 18

AccessibleTables = 19

AccessibleProcedures = 20

ConcatNullBehavior = 22

SQL_CONCAT_NULL_BEHAVIOR. How the data source handles concatenation of NULL-valued character columns with non-NULL valued character columns.

CursorCommitBehaviour = 23

DataSourceReadOnly = 25

DefaultTxnIsolation = 26

ExpressionsInOrderBy = 27

SQL_EXPRESSIONS_IN_ORDERBY. Whether the data source supports expressions in the ORDER BY list (“Y” or “N”).

IdentifierCase = 28

IdentifierQuoteChar = 29

MaxColumnNameLen = 30

MaxCursorNameLen = 31

MaxSchemaNameLen = 32

MaxCatalogNameLen = 34

MaxTableNameLen = 35

MultResultSets = 36

SQL_MULT_RESULT_SETS. Whether the data source supports multiple result sets (“Y” or “N”).

OuterJoins = 38

SQL_OUTER_JOINS (ODBC 2.x). Replaced by OuterJoinCapabilities in ODBC 3.x, but some Driver Managers still query this value.

SchemaTerm = 39

SQL_SCHEMA_TERM (also known as SQL_OWNER_TERM in ODBC 2.x). The data source vendor’s name for a schema (e.g. “schema”, “owner”).

CatalogNameSeparator = 41

SQL_CATALOG_NAME_SEPARATOR (also known as SQL_QUALIFIER_NAME_SEPARATOR in ODBC 2.x). The character used as a separator between a catalog name and the qualified name element that follows or precedes it.

CatalogTerm = 42

SQL_CATALOG_TERM (also known as SQL_QUALIFIER_TERM in ODBC 2.x). The data source vendor’s name for a catalog (e.g. “catalog”, “database”).

ScrollOptions = 44

SQL_SCROLL_OPTIONS C-API places this in the extended header. Lists the supported cursor types (forward-only, static, keyset-driven, dynamic, or mixed). All data sources must support forward-only cursors. See: https://learn.microsoft.com/sql/odbc/reference/develop-app/determining-cursor-capabilities

TransactionCapable = 46

UserName = 47

ConvertFunctions = 48

SQL_CONVERT_FUNCTIONS. The scalar conversion functions supported by the driver and data source (bitmask: SQL_FN_CVT_CAST, SQL_FN_CVT_CONVERT).

NumericFunctions = 49

SQL_NUMERIC_FUNCTIONS. The scalar numeric functions supported by the driver and data source (bitmask).

StringFunctions = 50

SQL_STRING_FUNCTIONS. The scalar string functions supported by the driver and data source (bitmask).

SystemFunctions = 51

SQL_SYSTEM_FUNCTIONS. The scalar system functions supported by the driver and data source (bitmask).

TimedateFunctions = 52

SQL_TIMEDATE_FUNCTIONS. The scalar date and time functions supported by the driver and data source (bitmask).

TransactionIsolationProtocol = 72

Integrity = 73

CorrelationName = 74

SQL_CORRELATION_NAME. Whether correlated table names are supported.

NonNullableColumns = 75

SQL_NON_NULLABLE_COLUMNS. Whether the data source supports NOT NULL in columns.

DriverOdbcVer = 77

SQL_DRIVER_ODBC_VER. The version of ODBC that the driver supports, in the form “MM.mm” (e.g. “03.80”).

GetDataExtensions = 81

SqlFileUsage = 84

SQL_FILE_USAGE. How a single-tier driver directly treats files in a data source. SQL_FILE_NOT_SUPPORTED (not a single-tier driver), SQL_FILE_TABLE (files are treated as tables, e.g. Xbase), or SQL_FILE_CATALOG (files are treated as full catalogs/databases, e.g. Microsoft Access).

NullCollation = 85

AlterTable = 86

ColumnAlias = 87

SQL_COLUMN_ALIAS. Whether the data source supports column aliases (“Y” or “N”).

GroupBy = 88

SQL_GROUP_BY. The relationship between the columns in the GROUP BY clause and the nonaggregated columns in the select list.

OrderByColumnsInSelect = 90

SchemaUsage = 91

SQL_SCHEMA_USAGE (also known as SQL_OWNER_USAGE in ODBC 2.x). A bitmask enumerating the statements in which schemas can be used.

CatalogUsage = 92

SQL_CATALOG_USAGE (also known as SQL_QUALIFIER_USAGE in ODBC 2.x). A bitmask enumerating the statements in which catalogs can be used.

SqlQuotedIdentifierCase = 93

SQL_QUOTED_IDENTIFIER_CASE. Case sensitivity of quoted identifiers in SQL. Returns SQL_IC_UPPER (not case-sensitive, stored uppercase), SQL_IC_LOWER (not case-sensitive, stored lowercase), SQL_IC_SENSITIVE (case-sensitive, stored mixed case), or SQL_IC_MIXED (not case-sensitive, stored mixed case).

SpecialCharacters = 94

Subqueries = 95

SQL_SUBQUERIES. A bitmask enumerating the predicates that support subqueries.

UnionStatement = 96

SQL_UNION_STATEMENT (also known as SQL_UNION in ODBC 2.x). A bitmask enumerating support for the UNION statement.

MaxColumnsInGroupBy = 97

MaxColumnsInIndex = 98

MaxColumnsInOrderBy = 99

MaxColumnsInSelect = 100

MaxColumnsInTable = 101

MaxIndexSize = 102

MaxRowSizeIncludesLong = 103

SQL_MAX_ROW_SIZE_INCLUDES_LONG. Whether the maximum row size returned for MaxRowSize includes the length of all SQL_LONGVARCHAR and SQL_LONGVARBINARY columns.

MaxRowSize = 104

MaxStatementLen = 105

MaxTablesInSelect = 106

MaxUserNameLen = 107

TimedateAddIntervals = 109

SQL_TIMEDATE_ADD_INTERVALS. A bitmask enumerating the timestamp intervals supported by the TIMESTAMPADD scalar function.

TimedateDiffIntervals = 110

SQL_TIMEDATE_DIFF_INTERVALS. A bitmask enumerating the timestamp intervals supported by the TIMESTAMPDIFF scalar function.

NeedLongDataLen = 111

SQL_NEED_LONG_DATA_LEN. Whether the data source needs the length of a long data value before that value is sent to the data source (“Y” or “N”).

LikeEscapeClause = 113

SQL_LIKE_ESCAPE_CLAUSE. Whether the LIKE predicate supports an escape character (“Y” or “N”).

CatalogLocation = 114

SQL_CATALOG_LOCATION (also known as SQL_QUALIFIER_LOCATION in ODBC 2.x). The position of the catalog in a qualified table name.

OuterJoinCapabilities = 115

ActiveEnvironments = 116

SQL_ACTIVE_ENVIRONMENTS C-API places this in the extended header. A u16 value that specifies the maximum number of active environments that the driver can support. If there is no specified limit or the limit is unknown, this value is set to zero.

SqlConformance = 118

SQL_SQL_CONFORMANCE. The level of SQL-92 supported by the driver.

BatchRowCount = 120

SQL_BATCH_ROW_COUNT. A bitmask enumerating the behavior of the driver with respect to the availability of row counts.

BatchSupport = 121

SQL_BATCH_SUPPORT. A bitmask enumerating the driver’s support for batches.

DynamicCursorAttributes1 = 144

SQL_DYNAMIC_CURSOR_ATTRIBUTES1 C-API places this in the extended header. Lists the fetch types supported by scrollable cursors. The bits in the return value correspond to the fetch types in SQLFetchScroll. See: https://learn.microsoft.com/sql/odbc/reference/develop-app/determining-cursor-capabilities

DynamicCursorAttributes2 = 145

SQL_DYNAMIC_CURSOR_ATTRIBUTES2 C-API places this in the extended header. Lists whether cursors can detect their own updates, deletes, and inserts. See: https://learn.microsoft.com/sql/odbc/reference/develop-app/determining-cursor-capabilities

ForwardOnlyCursorAttributes1 = 146

SQL_FORWARD_ONLY_CURSOR_ATTRIBUTES1 C-API places this in the extended header. Lists the fetch types supported by scrollable cursors. The bits in the return value correspond to the fetch types in SQLFetchScroll. See: https://learn.microsoft.com/sql/odbc/reference/develop-app/determining-cursor-capabilities

ForwardOnlyCursorAttributes2 = 147

SQL_FORWARD_ONLY_CURSOR_ATTRIBUTES2 C-API places this in the extended header. Lists whether cursors can detect their own updates, deletes, and inserts. See: https://learn.microsoft.com/sql/odbc/reference/develop-app/determining-cursor-capabilities

KeysetCursorAttributes1 = 150

SQL_KEYSET_CURSOR_ATTRIBUTES1 C-API places this in the extended header. Lists the fetch types supported by scrollable cursors. The bits in the return value correspond to the fetch types in SQLFetchScroll. See: https://learn.microsoft.com/sql/odbc/reference/develop-app/determining-cursor-capabilities

KeysetCursorAttributes2 = 151

SQL_KEYSET_CURSOR_ATTRIBUTES2 C-API places this in the extended header. Lists whether cursors can detect their own updates, deletes, and inserts. See: https://learn.microsoft.com/sql/odbc/reference/develop-app/determining-cursor-capabilities

OdbcInterfaceConformance = 152

SQL_ODBC_INTERFACE_CONFORMANCE. The level of the ODBC 3.x interface that the driver complies with.

ParamArrayRowCounts = 153

SQL_PARAM_ARRAY_ROW_COUNTS. A bitmask enumerating the driver’s properties regarding the availability of row counts in a parameterized execution.

ParamArraySelects = 154

SQL_PARAM_ARRAY_SELECTS. A bitmask enumerating the driver’s properties regarding the availability of result sets in a parameterized execution.

Sql92DatetimeFunctions = 155

SQL_SQL92_DATETIME_FUNCTIONS. A bitmask enumerating the datetime scalar functions supported per SQL-92.

Sql92ForeignKeyDeleteRule = 156

SQL_SQL92_FOREIGN_KEY_DELETE_RULE. Rules supported for a foreign key in a DELETE statement, as defined in SQL-92.

Sql92ForeignKeyUpdateRule = 157

SQL_SQL92_FOREIGN_KEY_UPDATE_RULE. Rules supported for a foreign key in an UPDATE statement, as defined in SQL-92.

Sql92Grant = 158

SQL_SQL92_GRANT. Clauses supported in the GRANT statement, as defined in SQL-92.

Sql92NumericValueFunctions = 159

SQL_SQL92_NUMERIC_VALUE_FUNCTIONS. Numeric value scalar functions supported per SQL-92.

Sql92Predicates = 160

SQL_SQL92_PREDICATES. Predicates supported in a SELECT statement, as defined in SQL-92.

Sql92RelationalJoinOperators = 161

SQL_SQL92_RELATIONAL_JOIN_OPERATORS. Relational join operators supported in a SELECT statement, as defined in SQL-92.

Sql92Revoke = 162

SQL_SQL92_REVOKE. Clauses supported in the REVOKE statement, as defined in SQL-92.

Sql92RowValueConstructor = 163

SQL_SQL92_ROW_VALUE_CONSTRUCTOR. Row value constructor expressions supported in a SELECT statement, as defined in SQL-92.

Sql92StringFunctions = 164

SQL_SQL92_STRING_FUNCTIONS. String scalar functions supported per SQL-92.

Sql92ValueExpressions = 165

SQL_SQL92_VALUE_EXPRESSIONS. Value expressions supported, as defined in SQL-92.

StaticCursorAttributes1 = 167

SQL_STATIC_CURSOR_ATTRIBUTES1 C-API places this in the extended header. Lists the fetch types supported by scrollable cursors. The bits in the return value correspond to the fetch types in SQLFetchScroll. See: https://learn.microsoft.com/sql/odbc/reference/develop-app/determining-cursor-capabilities

StaticCursorAttributes2 = 168

SQL_STATIC_CURSOR_ATTRIBUTES2 C-API places this in the extended header. Lists whether cursors can detect their own updates, deletes, and inserts. See: https://learn.microsoft.com/sql/odbc/reference/develop-app/determining-cursor-capabilities

AggregateFunctions = 169

SQL_AGGREGATE_FUNCTIONS. A bitmask enumerating support for aggregation functions.

XopenCliYear = 10_000

CursorSensitivity = 10_001

DescribeParameter = 10_002

CatalogName = 10_003

CollationSeq = 10_004

MaxIdentifierLen = 10_005

AsyncMode = 10_021

MaxAsyncConcurrentStatements = 10_022

AsyncDbcFunctions = 10_023

DriverAwarePoolingSupported = 10_024

AsyncNotification = 10_025

Trait Implementations

impl Clone for InfoType

fn clone(&self) -> InfoType

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for InfoType

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for InfoType

fn eq(&self, other: &InfoType) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for InfoType

impl Eq for InfoType

impl StructuralPartialEq for InfoType