Documentation ¶
Index ¶
- Constants
- Variables
- func CallVariableMethodOnDialect(d Dialect, name string) (value string, err error)
- func DoubleColonCaster(in, t string) string
- func Expand(expr string, v *vars.Variables, d Dialect) (string, error)
- func NewDefaultEscapes() map[string]string
- func Quote(in, q string) string
- type Dialect
- type DialectStruct
- func (d *DialectStruct) Bool() (string, error)
- func (d *DialectStruct) Cast(in, t string) string
- func (d *DialectStruct) Char128() (string, error)
- func (d *DialectStruct) Char256() (string, error)
- func (d *DialectStruct) Char32() (string, error)
- func (d *DialectStruct) Char64() (string, error)
- func (d *DialectStruct) DBMS() string
- func (d *DialectStruct) Date() (string, error)
- func (d *DialectStruct) EscapeConst(in string) (string, bool)
- func (d *DialectStruct) Float32() (string, error)
- func (d *DialectStruct) Float64() (string, error)
- func (d *DialectStruct) Int16() (string, error)
- func (d *DialectStruct) Int32() (string, error)
- func (d *DialectStruct) Int64() (string, error)
- func (d *DialectStruct) Int8() (string, error)
- func (d *DialectStruct) Integer() (string, error)
- func (d *DialectStruct) Placeholder(num int) string
- func (d *DialectStruct) QuoteConst(in string) string
- func (d *DialectStruct) QuoteRef(in string) string
- func (d *DialectStruct) Text() (string, error)
- func (d *DialectStruct) Time() (string, error)
- func (d *DialectStruct) TimeTz() (string, error)
- func (d *DialectStruct) Timestamp() (string, error)
- func (d *DialectStruct) TimestampTz() (string, error)
- func (d *DialectStruct) UUID() (string, error)
- func (d *DialectStruct) VarChar1024() (string, error)
- func (d *DialectStruct) VarChar128() (string, error)
- func (d *DialectStruct) VarChar256() (string, error)
- func (d *DialectStruct) VarChar32() (string, error)
- func (d *DialectStruct) VarChar512() (string, error)
- func (d *DialectStruct) VarChar64() (string, error)
- type ErrUnsupportedDBMS
Constants ¶
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const ( CreateTable = "CREATE TABLE" AlterTable = "ALTER TABLE" Add = "ADD" Constraint = "CONSTRAINT" PrimaryKey = "PRIMARY KEY" NotNull = "NOT NULL" Default = "DEFAULT" IfNotExists = "IF NOT EXISTS" )
SQL constructs that are the same accross supported dialects.
View Source
const DialectVariablePrefix = "Dialect."
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const Postgresql = "postgresql"
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const PostgresqlDefaultPort = 5432
Variables ¶
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var ErrInvalidVariableMethodType = errors.New("dbschema/dialect: invalid method type")
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var ErrMethodDoesNotExist = errors.New("dbschema/dialect: method does not exist")
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var ErrNotSupported = errors.New("dbschema/dialect: not supported")
Functions ¶
func DoubleColonCaster ¶
func NewDefaultEscapes ¶
Types ¶
type Dialect ¶
type Dialect interface { DBMS() string QuoteRef(in string) string QuoteConst(in string) string EscapeConst(in string) (string, bool) Cast(in, t string) string Placeholder(index int) string Integer() (string, error) Int8() (string, error) Int16() (string, error) Int32() (string, error) Int64() (string, error) Float32() (string, error) Float64() (string, error) Char32() (string, error) Char64() (string, error) Char128() (string, error) Char256() (string, error) VarChar32() (string, error) VarChar64() (string, error) VarChar128() (string, error) VarChar256() (string, error) VarChar512() (string, error) VarChar1024() (string, error) Text() (string, error) Timestamp() (string, error) TimestampTz() (string, error) Time() (string, error) TimeTz() (string, error) Date() (string, error) Bool() (string, error) UUID() (string, error) }
Dialect is the contract that all database types must implement for dbschema to generate the correct SQL for a given DBMS dialect.
func NewDialect ¶
func NewDialectPostgresql ¶
func NewDialectPostgresql() Dialect
type DialectStruct ¶
type DialectStruct struct { DBMSValue string QuoteRefValue string QuoteConstValue string Escapes map[string]string Caster func(value, t string) string PlaceholderValue func(num int) string IntegerValue string Int8Value string Int16Value string Int32Value string Int64Value string Float32Value string Float64Value string Char32Value string Char64Value string Char128Value string Char256Value string VarChar32Value string VarChar64Value string VarChar128Value string VarChar256Value string VarChar512Value string VarChar1024Value string TextValue string TimestampValue string TimestampTzValue string TimeValue string TimeTzValue string DateValue string BoolValue string UUIDValue string }
func (*DialectStruct) Bool ¶
func (d *DialectStruct) Bool() (string, error)
func (*DialectStruct) Cast ¶
func (d *DialectStruct) Cast(in, t string) string
func (*DialectStruct) Char128 ¶
func (d *DialectStruct) Char128() (string, error)
func (*DialectStruct) Char256 ¶
func (d *DialectStruct) Char256() (string, error)
func (*DialectStruct) Char32 ¶
func (d *DialectStruct) Char32() (string, error)
func (*DialectStruct) Char64 ¶
func (d *DialectStruct) Char64() (string, error)
func (*DialectStruct) DBMS ¶
func (d *DialectStruct) DBMS() string
func (*DialectStruct) Date ¶
func (d *DialectStruct) Date() (string, error)
func (*DialectStruct) EscapeConst ¶
func (d *DialectStruct) EscapeConst(in string) (string, bool)
func (*DialectStruct) Float32 ¶
func (d *DialectStruct) Float32() (string, error)
func (*DialectStruct) Float64 ¶
func (d *DialectStruct) Float64() (string, error)
func (*DialectStruct) Int16 ¶
func (d *DialectStruct) Int16() (string, error)
func (*DialectStruct) Int32 ¶
func (d *DialectStruct) Int32() (string, error)
func (*DialectStruct) Int64 ¶
func (d *DialectStruct) Int64() (string, error)
func (*DialectStruct) Int8 ¶
func (d *DialectStruct) Int8() (string, error)
func (*DialectStruct) Integer ¶
func (d *DialectStruct) Integer() (string, error)
func (*DialectStruct) Placeholder ¶
func (d *DialectStruct) Placeholder(num int) string
func (*DialectStruct) QuoteConst ¶
func (d *DialectStruct) QuoteConst(in string) string
func (*DialectStruct) QuoteRef ¶
func (d *DialectStruct) QuoteRef(in string) string
func (*DialectStruct) Text ¶
func (d *DialectStruct) Text() (string, error)
func (*DialectStruct) Time ¶
func (d *DialectStruct) Time() (string, error)
func (*DialectStruct) TimeTz ¶
func (d *DialectStruct) TimeTz() (string, error)
func (*DialectStruct) Timestamp ¶
func (d *DialectStruct) Timestamp() (string, error)
func (*DialectStruct) TimestampTz ¶
func (d *DialectStruct) TimestampTz() (string, error)
func (*DialectStruct) UUID ¶
func (d *DialectStruct) UUID() (string, error)
UUID returns d.UUIDValue and ErrNotSupported if it is empty.
func (*DialectStruct) VarChar1024 ¶
func (d *DialectStruct) VarChar1024() (string, error)
func (*DialectStruct) VarChar128 ¶
func (d *DialectStruct) VarChar128() (string, error)
func (*DialectStruct) VarChar256 ¶
func (d *DialectStruct) VarChar256() (string, error)
func (*DialectStruct) VarChar32 ¶
func (d *DialectStruct) VarChar32() (string, error)
func (*DialectStruct) VarChar512 ¶
func (d *DialectStruct) VarChar512() (string, error)
func (*DialectStruct) VarChar64 ¶
func (d *DialectStruct) VarChar64() (string, error)
type ErrUnsupportedDBMS ¶
type ErrUnsupportedDBMS string
func (ErrUnsupportedDBMS) Error ¶
func (e ErrUnsupportedDBMS) Error() string
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