mirror of https://github.com/VinGarcia/ksql.git
35 lines
1.2 KiB
Go
35 lines
1.2 KiB
Go
package kmodifiers
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import "context"
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// AttrModifier informs KSQL how to use this modifier
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type AttrModifier struct {
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// The following attributes will tell KSQL to
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// leave this attribute out of insertions, updates,
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// and queries respectively.
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SkipOnInsert bool
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SkipOnUpdate bool
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// Implement these functions if you want to override the default Scan/Value behavior
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// for the target attribute.
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Scan AttrScanner
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Value AttrValuer
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}
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// AttrScanner describes the operation of deserializing an object received from the database.
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type AttrScanner func(ctx context.Context, opInfo OpInfo, attrPtr interface{}, dbValue interface{}) error
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// AttrValuer describes the operation of serializing an object when saving it to the database.
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type AttrValuer func(ctx context.Context, opInfo OpInfo, inputValue interface{}) (outputValue interface{}, _ error)
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// OpInfo contains information that might be used by a modifier to determine how it should behave.
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type OpInfo struct {
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// A string version of the name of one of
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// the methods of the `ksql.Provider` interface, e.g. `Insert` or `Query`
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Method string
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// The string representing the current underlying database, e.g.:
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// "postgres", "sqlite3", "mysql" or "sqlserver".
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DriverName string
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}
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