Started rasql-model

Cargo.lock

@@ -493,6 +493,13 @@ dependencies = [
  "tokio-postgres",
 ]
 
+[[package]]
+name = "rasql-model"
+version = "0.1.0"
+dependencies = [
+ "sqlparser",
+]
+
 [[package]]
 name = "rasql-query"
 version = "0.0.0"

Cargo.toml

@@ -4,6 +4,7 @@ resolver = "2"
 members = [
     "rasql-build",
     "rasql-core",
+    "rasql-model",
     "rasql-query",
     "rasql-traits",
 ]

rasql-model/Cargo.toml

@@ -0,0 +1,7 @@
+[package]
+name = "rasql-model"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+sqlparser = "0.54.0"

rasql-model/src/lib.rs

@@ -0,0 +1,84 @@
+use std::{any::TypeId, borrow::Cow, num::NonZeroU32};
+
+#[derive(Debug, Clone)]
+pub enum PostgresDatatype {
+    Bigint,
+    Bigserial,
+    Bit(Option<NonZeroU32>),
+    BitVarying(Option<NonZeroU32>),
+    Boolean,
+    Box,
+    Bytea,
+    Character(Option<NonZeroU32>),
+    CharacterVarying(Option<NonZeroU32>),
+    Cidr,
+    Circle,
+    Date,
+    DoublePrecision,
+    Inet,
+    Integer,
+    Interval(Option<IntervalFields>,Option<u8>),
+    Json,
+    Jsonb,
+    Line,
+    Lseg,
+    Macaddr,
+    Macaddr8,
+    Money,
+    Numeric(Option<NumericConfig>),
+    Path,
+    PgLsn,
+    PgSnapshot,
+    Point,
+    Polygon,
+    Real,
+    SmallInt,
+    SmallSerial,
+    Serial,
+    Text,
+    Time(Option<u8>),
+    TimeTz(Option<u8>),
+    Timestamp(Option<u8>),
+    TimestampTz(Option<u8>),
+    TsQuery,
+    TsVector,
+    TxidSnapshot,
+    Uuid,
+    Xml,
+}
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub enum IntervalFields {
+    Year,
+    Month,
+    Day,
+    Hour,
+    Minute,
+    Second,
+    YearToMonth,
+    DayToHour,
+    DayToMinute,
+    DayToSecond,
+    HourToMinute,
+    HourToSecond,
+    MinuteToSecond,
+}
+
+#[derive(Debug, Clone, Copy)]
+pub enum NumericConfig {
+    Precision(u16),
+    PrecisionAndScale(u16, i16),
+}
+
+#[derive(Debug, Clone)]
+pub struct Table {
+    pub columns: Cow<'static, [Column]>,
+}
+
+#[derive(Debug, Clone)]
+pub struct Column {
+    pub postgres_name: Cow<'static, str>,
+    pub postgres_datatype: PostgresDatatype,
+    pub field_name: Cow<'static, str>,
+    pub rust_type_id: fn() -> TypeId,
+}