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MySQL: Add support for unsigned numeric types (#2031)

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Mohamed Abdeen 2025-09-19 11:04:56 +03:00 • committed by GitHub
parent f642dd573c
commit ea7f9026f7
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3 changed files with 182 additions and 15 deletions
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47
src/ast/data_type.rs
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@ -131,6 +131,11 @@ pub enum DataType {
///
/// [1]: https://jakewheat.github.io/sql-overview/sql-2016-foundation-grammar.html#exact-numeric-type
Decimal(ExactNumberInfo),
/// [MySQL] unsigned decimal with optional precision and scale, e.g. DECIMAL UNSIGNED or DECIMAL(10,2) UNSIGNED.
/// Note: Using UNSIGNED with DECIMAL is deprecated in recent versions of MySQL.
///
/// [MySQL]: https://dev.mysql.com/doc/refman/8.4/en/numeric-type-syntax.html
DecimalUnsigned(ExactNumberInfo),
/// [BigNumeric] type used in BigQuery.
///
/// [BigNumeric]: https://cloud.google.com/bigquery/docs/reference/standard-sql/lexical#bignumeric_literals
@ -143,8 +148,19 @@ pub enum DataType {
///
/// [1]: https://jakewheat.github.io/sql-overview/sql-2016-foundation-grammar.html#exact-numeric-type
Dec(ExactNumberInfo),
/// Floating point with optional precision, e.g. FLOAT(8).
Float(Option<u64>),
/// [MySQL] unsigned decimal (DEC alias) with optional precision and scale, e.g. DEC UNSIGNED or DEC(10,2) UNSIGNED.
/// Note: Using UNSIGNED with DEC is deprecated in recent versions of MySQL.
///
/// [MySQL]: https://dev.mysql.com/doc/refman/8.4/en/numeric-type-syntax.html
DecUnsigned(ExactNumberInfo),
/// Floating point with optional precision and scale, e.g. FLOAT, FLOAT(8), or FLOAT(8,2).
Float(ExactNumberInfo),
/// [MySQL] unsigned floating point with optional precision and scale, e.g.
/// FLOAT UNSIGNED, FLOAT(10) UNSIGNED or FLOAT(10,2) UNSIGNED.
/// Note: Using UNSIGNED with FLOAT is deprecated in recent versions of MySQL.
///
/// [MySQL]: https://dev.mysql.com/doc/refman/8.4/en/numeric-type-syntax.html
FloatUnsigned(ExactNumberInfo),
/// Tiny integer with optional display width, e.g. TINYINT or TINYINT(3).
TinyInt(Option<u64>),
/// Unsigned tiny integer with optional display width,
@ -302,17 +318,32 @@ pub enum DataType {
Float64,
/// Floating point, e.g. REAL.
Real,
/// [MySQL] unsigned real, e.g. REAL UNSIGNED.
/// Note: Using UNSIGNED with REAL is deprecated in recent versions of MySQL.
///
/// [MySQL]: https://dev.mysql.com/doc/refman/8.4/en/numeric-type-syntax.html
RealUnsigned,
/// Float8 is an alias for Double in [PostgreSQL].
///
/// [PostgreSQL]: https://www.postgresql.org/docs/current/datatype.html
Float8,
/// Double
Double(ExactNumberInfo),
/// [MySQL] unsigned double precision with optional precision, e.g. DOUBLE UNSIGNED or DOUBLE(10,2) UNSIGNED.
/// Note: Using UNSIGNED with DOUBLE is deprecated in recent versions of MySQL.
///
/// [MySQL]: https://dev.mysql.com/doc/refman/8.4/en/numeric-type-syntax.html
DoubleUnsigned(ExactNumberInfo),
/// Double Precision, see [SQL Standard], [PostgreSQL].
///
/// [SQL Standard]: https://jakewheat.github.io/sql-overview/sql-2016-foundation-grammar.html#approximate-numeric-type
/// [PostgreSQL]: https://www.postgresql.org/docs/current/datatype-numeric.html
DoublePrecision,
/// [MySQL] unsigned double precision, e.g. DOUBLE PRECISION UNSIGNED.
/// Note: Using UNSIGNED with DOUBLE PRECISION is deprecated in recent versions of MySQL.
///
/// [MySQL]: https://dev.mysql.com/doc/refman/8.4/en/numeric-type-syntax.html
DoublePrecisionUnsigned,
/// Bool is an alias for Boolean, see [PostgreSQL].
///
/// [PostgreSQL]: https://www.postgresql.org/docs/current/datatype.html
@ -497,12 +528,19 @@ impl fmt::Display for DataType {
DataType::Decimal(info) => {
write!(f, "DECIMAL{info}")
}
DataType::DecimalUnsigned(info) => {
write!(f, "DECIMAL{info} UNSIGNED")
}
DataType::Dec(info) => {
write!(f, "DEC{info}")
}
DataType::DecUnsigned(info) => {
write!(f, "DEC{info} UNSIGNED")
}
DataType::BigNumeric(info) => write!(f, "BIGNUMERIC{info}"),
DataType::BigDecimal(info) => write!(f, "BIGDECIMAL{info}"),
DataType::Float(size) => format_type_with_optional_length(f, "FLOAT", size, false),
DataType::Float(info) => write!(f, "FLOAT{info}"),
DataType::FloatUnsigned(info) => write!(f, "FLOAT{info} UNSIGNED"),
DataType::TinyInt(zerofill) => {
format_type_with_optional_length(f, "TINYINT", zerofill, false)
}
@ -616,12 +654,15 @@ impl fmt::Display for DataType {
write!(f, "UNSIGNED INTEGER")
}
DataType::Real => write!(f, "REAL"),
DataType::RealUnsigned => write!(f, "REAL UNSIGNED"),
DataType::Float4 => write!(f, "FLOAT4"),
DataType::Float32 => write!(f, "Float32"),
DataType::Float64 => write!(f, "FLOAT64"),
DataType::Double(info) => write!(f, "DOUBLE{info}"),
DataType::DoubleUnsigned(info) => write!(f, "DOUBLE{info} UNSIGNED"),
DataType::Float8 => write!(f, "FLOAT8"),
DataType::DoublePrecision => write!(f, "DOUBLE PRECISION"),
DataType::DoublePrecisionUnsigned => write!(f, "DOUBLE PRECISION UNSIGNED"),
DataType::Bool => write!(f, "BOOL"),
DataType::Boolean => write!(f, "BOOLEAN"),
DataType::Date => write!(f, "DATE"),