Method generateIndexOptionDefinition

schema/generator.go:3352–3414

(indexOptions []IndexOption)

}

func (g *Generator) generateIndexOptionDefinition(indexOptions []IndexOption) string {
	var optionDefinition string
	if len(indexOptions) > 0 {
		switch g.mode {
		case GeneratorModeMysql:
			// Handle multiple vector index options (M and DISTANCE)
			if len(indexOptions) > 1 {
				var mOption, distanceOption string
				for _, indexOption := range indexOptions {
					if strings.ToUpper(indexOption.optionName) == "M" {
						mOption = fmt.Sprintf("M=%s", indexOption.value.raw)
					} else if strings.ToUpper(indexOption.optionName) == "DISTANCE" {
						distanceOption = fmt.Sprintf("DISTANCE=%s", indexOption.value.raw)
					}
				}
				if mOption != "" && distanceOption != "" {
					optionDefinition = fmt.Sprintf(" %s %s", mOption, distanceOption)
				} else if mOption != "" {
					optionDefinition = fmt.Sprintf(" %s", mOption)
				} else if distanceOption != "" {
					optionDefinition = fmt.Sprintf(" %s", distanceOption)
				}
			} else {
				indexOption := indexOptions[0]
				if indexOption.optionName == "parser" {
					indexOption.optionName = "WITH " + indexOption.optionName
				}
				if strings.EqualFold(indexOption.optionName, "M") {
					optionDefinition = fmt.Sprintf(" M=%s", indexOption.value.raw)
				} else if strings.EqualFold(indexOption.optionName, "DISTANCE") {
					optionDefinition = fmt.Sprintf(" DISTANCE=%s", indexOption.value.raw)
				} else if indexOption.optionName == "comment" {
					indexOption.optionName = "COMMENT"
					optionDefinition = fmt.Sprintf(" %s '%s'", indexOption.optionName, indexOption.value.raw)
				} else {
					optionDefinition = fmt.Sprintf(" %s %s", indexOption.optionName, indexOption.value.raw)
				}
			}
		case GeneratorModeMssql:
			options := util.TransformSlice(indexOptions, func(indexOption IndexOption) string {
				var optionValue string
				switch indexOption.value.valueType {
				case ValueTypeBool:
					if indexOption.value.bitVal {
						optionValue = "ON"
					} else {
						optionValue = "OFF"
					}
				default:
					optionValue = indexOption.value.raw
				}
				return fmt.Sprintf("%s = %s", indexOption.optionName, optionValue)
			})
			optionDefinition = fmt.Sprintf(" WITH (%s)", strings.Join(options, ", "))
		case GeneratorModePostgres:
			options := util.TransformSlice(indexOptions, func(indexOption IndexOption) string {
				return fmt.Sprintf("%s = %s", indexOption.optionName, indexOption.value.raw)
			})