62 lines
1.7 KiB
Go
62 lines
1.7 KiB
Go
package schema
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import "strings"
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// Column represents a single column in a table.
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type Column struct {
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TableName string `db:"table_name"`
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Name string `db:"column_name"`
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Type string `db:"column_type"`
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IsNotNull bool `db:"notnull"`
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HasDefaultValue bool `db:"has_default_value"`
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DefaultValue string `db:"dflt_value"`
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IsPrimaryKey bool `db:"is_primary_key"`
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PrimaryKeyRank uint `db:"primary_key_rank"`
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IsForeignKey bool `db:"is_foreign_key"`
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ForeignKeyTargetTable string `db:"fk_target_table"`
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ForeignKeyTargetColumn string `db:"fk_target_column"`
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}
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// IsNullableForeignKey is a helper function.
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func (c Column) IsNullableForeignKey() bool {
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return !c.IsNotNull && !c.IsPrimaryKey && c.IsForeignKey
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}
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func (c Column) IsNonCodeTableForeignKey() bool {
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return c.IsForeignKey && strings.HasSuffix(c.Name, "_id")
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}
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// Table is a single SQLite table.
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type Table struct {
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TableName string `db:"name"`
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// One of "table", "view", "shadow", or "virtual"
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TableType string `db:"table_type"`
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IsStrict bool `db:"is_strict"`
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IsWithoutRowid bool `db:"is_without_rowid"`
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Columns []Column
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TypeIDName string
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// Default variable name for variables of this type to use when generating Go code
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VarName string
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// Name of corresponding model type to be generated
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GoTypeName string
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}
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type Index struct {
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Name string `db:"index_name"`
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TableName string `db:"table_name"`
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Columns []string
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IsUnique bool `db:"is_unique"`
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// TODO: `where ...` for partial indexes
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// TODO: identify columns that are expressions
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}
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type Schema struct {
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Tables map[string]Table
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Indexes map[string]Index
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}
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