mirror of https://github.com/jackc/pgx.git
61 lines
1.3 KiB
Plaintext
61 lines
1.3 KiB
Plaintext
package zeronull
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import (
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"database/sql/driver"
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"fmt"
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"math"
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"github.com/jackc/pgx/v5/pgtype"
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)
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<% [2, 4, 8].each do |pg_byte_size| %>
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<% pg_bit_size = pg_byte_size * 8 %>
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type Int<%= pg_byte_size %> int<%= pg_bit_size %>
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func (Int<%= pg_byte_size %>) SkipUnderlyingTypePlan() {}
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// ScanInt64 implements the Int64Scanner interface.
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func (dst *Int<%= pg_byte_size %>) ScanInt64(n int64, valid bool) error {
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if !valid {
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*dst = 0
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return nil
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}
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if n < math.MinInt<%= pg_bit_size %> {
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return fmt.Errorf("%d is greater than maximum value for Int<%= pg_byte_size %>", n)
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}
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if n > math.MaxInt<%= pg_bit_size %> {
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return fmt.Errorf("%d is greater than maximum value for Int<%= pg_byte_size %>", n)
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}
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*dst = Int<%= pg_byte_size %>(n)
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return nil
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}
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// Scan implements the database/sql Scanner interface.
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func (dst *Int<%= pg_byte_size %>) Scan(src interface{}) error {
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if src == nil {
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*dst = 0
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return nil
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}
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var nullable pgtype.Int<%= pg_byte_size %>
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err := nullable.Scan(src)
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if err != nil {
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return err
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}
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*dst = Int<%= pg_byte_size %>(nullable.Int)
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return nil
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}
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// Value implements the database/sql/driver Valuer interface.
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func (src Int<%= pg_byte_size %>) Value() (driver.Value, error) {
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if src == 0 {
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return nil, nil
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}
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return int64(src), nil
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}
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<% end %>
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