internal

Documentation

Index

• Constants
• func PatternToRegexp(pattern *string) (*regexp.Regexp, error)
• type CatalogAndSchema
• type CatalogSchemaTable
• type CatalogSchemaTableColumn
• type ConstraintSchema
• type GetObjDBSchemasFn
• type GetObjTablesFn
• type GetObjects
  • func (g *GetObjects) AppendCatalog(catalogName string)
  • func (g *GetObjects) Finish() (array.RecordReader, error)
  • func (g *GetObjects) Init(mem memory.Allocator, getObj GetObjDBSchemasFn, getTbls GetObjTablesFn) error
  • func (g *GetObjects) Release()
• type Metadata
• type SchemaToTableInfo
• type TableInfo
• type UsageSchema
• type XdbcDataType

Constants

const (
	Unique     = "UNIQUE"
	PrimaryKey = "PRIMARY KEY"
	ForeignKey = "FOREIGN KEY"
)

Functions

func PatternToRegexp

func PatternToRegexp(pattern *string) (*regexp.Regexp, error)

Helper function that compiles a SQL-style pattern (%, _) to a regex

Types

type CatalogAndSchema

type CatalogAndSchema struct {
	Catalog, Schema string
}

type CatalogSchemaTable

type CatalogSchemaTable struct {
	Catalog, Schema, Table string
}

type CatalogSchemaTableColumn

type CatalogSchemaTableColumn struct {
	Catalog, Schema, Table, Column string
}

type ConstraintSchema

type ConstraintSchema struct {
	ConstraintName, ConstraintType string
	ConstraintColumnNames          []string
	ConstraintColumnUsages         []UsageSchema
}

type GetObjDBSchemasFn

type GetObjDBSchemasFn func(ctx context.Context, depth adbc.ObjectDepth, catalog *string, schema *string, metadataRecords []Metadata) (map[string][]string, error)

type GetObjTablesFn

type GetObjTablesFn func(ctx context.Context, depth adbc.ObjectDepth, catalog *string, schema *string, tableName *string, columnName *string, tableType []string, metadataRecords []Metadata) (map[CatalogAndSchema][]TableInfo, error)

type GetObjects

type GetObjects struct {
	Ctx        context.Context
	Depth      adbc.ObjectDepth
	Catalog    *string
	DbSchema   *string
	TableName  *string
	ColumnName *string
	TableType  []string

	ConstraintLookup map[CatalogSchemaTable][]ConstraintSchema
	MetadataRecords  []Metadata
	// contains filtered or unexported fields
}

Helper to store state needed for GetObjects

func (*GetObjects) AppendCatalog

func (g *GetObjects) AppendCatalog(catalogName string)

func (*GetObjects) Finish

func (g *GetObjects) Finish() (array.RecordReader, error)

func (*GetObjects) Init

func (g *GetObjects) Init(mem memory.Allocator, getObj GetObjDBSchemasFn, getTbls GetObjTablesFn) error

func (*GetObjects) Release

func (g *GetObjects) Release()

type Metadata

type Metadata struct {
	Created                                                                                                                      time.Time
	ColName, DataType, Dbname, Kind, Schema, TblName, TblType, IdentGen, IdentIncrement, Comment, ConstraintName, ConstraintType sql.NullString
	OrdinalPos                                                                                                                   int
	NumericPrec, NumericPrecRadix, NumericScale, DatetimePrec                                                                    sql.NullInt16
	IsNullable, IsIdent                                                                                                          bool
	CharMaxLength, CharOctetLength                                                                                               sql.NullInt32
}

type SchemaToTableInfo

type SchemaToTableInfo = map[CatalogAndSchema][]TableInfo

type TableInfo

type TableInfo struct {
	Name, TableType string
	Schema          *arrow.Schema
}

type UsageSchema

type UsageSchema struct {
	ForeignKeyCatalog, ForeignKeyDbSchema, ForeignKeyTable, ForeignKeyColName string
}

type XdbcDataType

type XdbcDataType int32

The JDBC/ODBC-defined type of any object. All the values here are the sames as in the JDBC and ODBC specs.

const (
	XdbcDataType_XDBC_UNKNOWN_TYPE  XdbcDataType = 0
	XdbcDataType_XDBC_CHAR          XdbcDataType = 1
	XdbcDataType_XDBC_NUMERIC       XdbcDataType = 2
	XdbcDataType_XDBC_DECIMAL       XdbcDataType = 3
	XdbcDataType_XDBC_INTEGER       XdbcDataType = 4
	XdbcDataType_XDBC_SMALLINT      XdbcDataType = 5
	XdbcDataType_XDBC_FLOAT         XdbcDataType = 6
	XdbcDataType_XDBC_REAL          XdbcDataType = 7
	XdbcDataType_XDBC_DOUBLE        XdbcDataType = 8
	XdbcDataType_XDBC_DATETIME      XdbcDataType = 9
	XdbcDataType_XDBC_INTERVAL      XdbcDataType = 10
	XdbcDataType_XDBC_VARCHAR       XdbcDataType = 12
	XdbcDataType_XDBC_DATE          XdbcDataType = 91
	XdbcDataType_XDBC_TIME          XdbcDataType = 92
	XdbcDataType_XDBC_TIMESTAMP     XdbcDataType = 93
	XdbcDataType_XDBC_LONGVARCHAR   XdbcDataType = -1
	XdbcDataType_XDBC_BINARY        XdbcDataType = -2
	XdbcDataType_XDBC_VARBINARY     XdbcDataType = -3
	XdbcDataType_XDBC_LONGVARBINARY XdbcDataType = -4
	XdbcDataType_XDBC_BIGINT        XdbcDataType = -5
	XdbcDataType_XDBC_TINYINT       XdbcDataType = -6
	XdbcDataType_XDBC_BIT           XdbcDataType = -7
	XdbcDataType_XDBC_WCHAR         XdbcDataType = -8
	XdbcDataType_XDBC_WVARCHAR      XdbcDataType = -9
)