postgresql

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Overview

MIT License

Copyright (c) 2025 OcomSoft

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Index

• type Provider
  • func New() *Provider
  • func (p *Provider) ConvertFieldType(field *types.Field) string
  • func (p *Provider) ConvertFieldTypeWithSchema(schema *types.Schema, field *types.Field) string
  • func (p *Provider) GenerateAddColumn(tableName string, field *types.Field) string
  • func (p *Provider) GenerateAlterColumn(tableName string, oldField, newField *types.Field) (string, error)
  • func (p *Provider) GenerateCreateIndex(index *types.Index, tableName string) string
  • func (p *Provider) GenerateCreateTable(schema *types.Schema, table *types.Table) (string, error)
  • func (p *Provider) GenerateDropColumn(tableName, columnName string) string
  • func (p *Provider) GenerateDropForeignKeyConstraint(tableName, constraintName string) string
  • func (p *Provider) GenerateDropIndex(indexName, tableName string) string
  • func (p *Provider) GenerateDropTable(tableName string) string
  • func (p *Provider) GenerateForeignKeyConstraint(tableName, fieldName, referencedTable, onDelete string) string
  • func (p *Provider) GenerateForeignKeyConstraints(schema *types.Schema, junctionTables []types.Table) string
  • func (p *Provider) GenerateIndexes(schema *types.Schema) string
  • func (p *Provider) GenerateJunctionTable(table1, table2 string, schema *types.Schema) (string, error)
  • func (p *Provider) GenerateRenameColumn(tableName, oldName, newName string) string
  • func (p *Provider) GenerateRenameTable(oldName, newName string) string
  • func (p *Provider) GetDatabaseSchema(connectionString string) (*types.Schema, error)
  • func (p *Provider) GetDefaultValue(defaultRef string, defaults map[string]string) (string, error)
  • func (p *Provider) InferForeignKeyType(referencedTable string, schema *types.Schema) string
  • func (p *Provider) QuoteName(name string) string
  • func (p *Provider) SupportsOperation(operation string) bool

Types

type Provider

type Provider struct {
	// contains filtered or unexported fields
}

Provider implements the Provider interface for PostgreSQL

func New

func New() *Provider

New creates a new PostgreSQL provider

func (*Provider) ConvertFieldType

func (p *Provider) ConvertFieldType(field *types.Field) string

ConvertFieldType converts YAML field type to PostgreSQL-specific SQL type

func (*Provider) ConvertFieldTypeWithSchema

func (p *Provider) ConvertFieldTypeWithSchema(schema *types.Schema, field *types.Field) string

ConvertFieldTypeWithSchema converts YAML field type to PostgreSQL-specific SQL type with schema context for foreign keys

func (*Provider) GenerateAddColumn

func (p *Provider) GenerateAddColumn(tableName string, field *types.Field) string

GenerateAddColumn generates ALTER TABLE ADD COLUMN statement

func (*Provider) GenerateAlterColumn

func (p *Provider) GenerateAlterColumn(tableName string, oldField, newField *types.Field) (string, error)

func (*Provider) GenerateCreateIndex

func (p *Provider) GenerateCreateIndex(index *types.Index, tableName string) string

GenerateCreateIndex generates CREATE INDEX statement for PostgreSQL

func (*Provider) GenerateCreateTable

func (p *Provider) GenerateCreateTable(schema *types.Schema, table *types.Table) (string, error)

func (*Provider) GenerateDropColumn

func (p *Provider) GenerateDropColumn(tableName, columnName string) string

GenerateDropColumn generates ALTER TABLE DROP COLUMN statement

func (*Provider) GenerateDropForeignKeyConstraint

func (p *Provider) GenerateDropForeignKeyConstraint(tableName, constraintName string) string

func (*Provider) GenerateDropIndex

func (p *Provider) GenerateDropIndex(indexName, tableName string) string

GenerateDropIndex generates DROP INDEX statement for PostgreSQL

func (*Provider) GenerateDropTable

func (p *Provider) GenerateDropTable(tableName string) string

GenerateDropTable generates DROP TABLE statement

func (*Provider) GenerateForeignKeyConstraint

func (p *Provider) GenerateForeignKeyConstraint(tableName, fieldName, referencedTable, onDelete string) string

func (*Provider) GenerateForeignKeyConstraints

func (p *Provider) GenerateForeignKeyConstraints(schema *types.Schema, junctionTables []types.Table) string

func (*Provider) GenerateIndexes

func (p *Provider) GenerateIndexes(schema *types.Schema) string

func (*Provider) GenerateJunctionTable

func (p *Provider) GenerateJunctionTable(table1, table2 string, schema *types.Schema) (string, error)

func (*Provider) GenerateRenameColumn

func (p *Provider) GenerateRenameColumn(tableName, oldName, newName string) string

GenerateRenameColumn generates ALTER TABLE RENAME COLUMN statement

func (*Provider) GenerateRenameTable

func (p *Provider) GenerateRenameTable(oldName, newName string) string

GenerateRenameTable generates ALTER TABLE RENAME statement

func (*Provider) GetDatabaseSchema

func (p *Provider) GetDatabaseSchema(connectionString string) (*types.Schema, error)

GetDatabaseSchema extracts schema information from a PostgreSQL database

func (*Provider) GetDefaultValue

func (p *Provider) GetDefaultValue(defaultRef string, defaults map[string]string) (string, error)

GetDefaultValue converts default value references to PostgreSQL-specific values

func (*Provider) InferForeignKeyType

func (p *Provider) InferForeignKeyType(referencedTable string, schema *types.Schema) string

func (*Provider) QuoteName

func (p *Provider) QuoteName(name string) string

QuoteName quotes database identifiers for PostgreSQL

func (*Provider) SupportsOperation

func (p *Provider) SupportsOperation(operation string) bool

SupportsOperation checks if PostgreSQL supports a specific operation