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drds #42

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merged 2 commits into from
Jan 4, 2024
Merged

drds #42

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fbc9dc2
add support for dbpartition/tbpartition stmt (#40)
csynineyang Jan 3, 2024
d3eb913
fix: override some source codes by mistake (#40)
csynineyang Jan 3, 2024
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45 changes: 33 additions & 12 deletions ast/ddl.go
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Original file line number Diff line number Diff line change
Expand Up @@ -3886,8 +3886,9 @@ func (n *PartitionMethod) acceptInPlace(v Visitor) bool {
type PartitionOptions struct {
node
PartitionMethod
Sub *PartitionMethod
Definitions []*PartitionDefinition
Sub *PartitionMethod
Definitions []*PartitionDefinition
PartitionFrom int
}

// Validate checks if the partition is well-formed.
Expand Down Expand Up @@ -3947,24 +3948,44 @@ func (n *PartitionOptions) Validate() error {
}

func (n *PartitionOptions) Restore(ctx *format.RestoreCtx) error {
ctx.WriteKeyWord("PARTITION BY ")
if n.PartitionFrom == 1 {
ctx.WriteKeyWord("DBPARTITION BY ")
} else {
ctx.WriteKeyWord("PARTITION BY ")
}
if err := n.PartitionMethod.Restore(ctx); err != nil {
return errors.Annotate(err, "An error occurred while restore PartitionOptions.PartitionMethod")
}

if n.Num > 0 && len(n.Definitions) == 0 {
ctx.WriteKeyWord(" PARTITIONS ")
ctx.WritePlainf("%d", n.Num)
if n.PartitionFrom == 1 {
ctx.WriteKeyWord(" DBPARTITIONS ")
ctx.WritePlainf("%d", n.Num)
} else {
ctx.WriteKeyWord(" PARTITIONS ")
ctx.WritePlainf("%d", n.Num)
}
}

if n.Sub != nil {
ctx.WriteKeyWord(" SUBPARTITION BY ")
if err := n.Sub.Restore(ctx); err != nil {
return errors.Annotate(err, "An error occurred while restore PartitionOptions.Sub")
}
if n.Sub.Num > 0 {
ctx.WriteKeyWord(" SUBPARTITIONS ")
ctx.WritePlainf("%d", n.Sub.Num)
if n.PartitionFrom == 1 {
ctx.WriteKeyWord(" TBPARTITION BY ")
if err := n.Sub.Restore(ctx); err != nil {
return errors.Annotate(err, "An error occurred while restore PartitionOptions.Sub")
}
if n.Sub.Num > 0 {
ctx.WriteKeyWord(" TBPARTITIONS ")
ctx.WritePlainf("%d", n.Sub.Num)
}
} else {
ctx.WriteKeyWord(" SUBPARTITION BY ")
if err := n.Sub.Restore(ctx); err != nil {
return errors.Annotate(err, "An error occurred while restore PartitionOptions.Sub")
}
if n.Sub.Num > 0 {
ctx.WriteKeyWord(" SUBPARTITIONS ")
ctx.WritePlainf("%d", n.Sub.Num)
}
}
}

Expand Down
4 changes: 4 additions & 0 deletions misc.go
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Original file line number Diff line number Diff line change
Expand Up @@ -529,6 +529,8 @@ var tokenMap = map[string]int{
"PARTITION": partition,
"PARTITIONING": partitioning,
"PARTITIONS": partitions,
"DBPARTITION": dbpartition,
"DBPARTITIONS": dbpartitions,
"PASSWORD": password,
"PERCENT": percent,
"PER_DB": per_db,
Expand Down Expand Up @@ -701,6 +703,8 @@ var tokenMap = map[string]int{
"SUBJECT": subject,
"SUBPARTITION": subpartition,
"SUBPARTITIONS": subpartitions,
"TBPARTITION": tbpartition,
"TBPARTITIONS": tbpartitions,
"SUBSTR": substring,
"SUBSTRING": substring,
"SUM": sum,
Expand Down
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