Fix issue with cursor as a variable
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7413813138
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67b4a4d945
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@ -1024,7 +1024,7 @@ mutation {
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}
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```
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#### Pagination
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### Pagination
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This is a must have feature of any API. When you want your users to go thought a list page by page or implement some fancy infinite scroll you're going to need pagination. There are two ways to paginate in Super Graph.
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@ -77,7 +77,7 @@ func (co *Compiler) compileMutation(qc *qcode.QCode, w io.Writer, vars Variables
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root.Where = nil
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root.Args = nil
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return c.compileQuery(qc, w)
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return c.compileQuery(qc, w, vars)
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}
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type kvitem struct {
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@ -71,7 +71,7 @@ func (co *Compiler) CompileEx(qc *qcode.QCode, vars Variables) (uint32, []byte,
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func (co *Compiler) Compile(qc *qcode.QCode, w io.Writer, vars Variables) (uint32, error) {
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switch qc.Type {
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case qcode.QTQuery:
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return co.compileQuery(qc, w)
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return co.compileQuery(qc, w, vars)
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case qcode.QTInsert, qcode.QTUpdate, qcode.QTDelete, qcode.QTUpsert:
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return co.compileMutation(qc, w, vars)
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}
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@ -79,7 +79,7 @@ func (co *Compiler) Compile(qc *qcode.QCode, w io.Writer, vars Variables) (uint3
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return 0, fmt.Errorf("Unknown operation type %d", qc.Type)
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}
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func (co *Compiler) compileQuery(qc *qcode.QCode, w io.Writer) (uint32, error) {
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func (co *Compiler) compileQuery(qc *qcode.QCode, w io.Writer, vars Variables) (uint32, error) {
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if len(qc.Selects) == 0 {
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return 0, errors.New("empty query")
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}
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@ -150,7 +150,7 @@ func (co *Compiler) compileQuery(qc *qcode.QCode, w io.Writer) (uint32, error) {
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c.renderLateralJoin(sel)
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}
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skipped, err := c.renderSelect(sel, ti)
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skipped, err := c.renderSelect(sel, ti, vars)
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if err != nil {
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return 0, err
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}
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@ -196,7 +196,7 @@ func (co *Compiler) compileQuery(qc *qcode.QCode, w io.Writer) (uint32, error) {
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return ignored, nil
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}
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func (c *compilerContext) initSelector(sel *qcode.Select, ti *DBTableInfo) (uint32, []*qcode.Column, error) {
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func (c *compilerContext) initSelector(sel *qcode.Select, ti *DBTableInfo, vars Variables) (uint32, []*qcode.Column, error) {
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var skipped uint32
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cols := make([]*qcode.Column, 0, len(sel.Cols))
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@ -232,7 +232,15 @@ func (c *compilerContext) initSelector(sel *qcode.Select, ti *DBTableInfo) (uint
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})
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if len(sel.Paging.Cursor) != 0 {
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v, err := c.decryptor(sel.Paging.Cursor)
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var v []byte
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var err error
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if cursor, ok := vars[sel.Paging.Cursor]; ok && cursor[0] == '"' {
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v, err = c.decryptor(string(cursor[1 : len(cursor)-1]))
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} else {
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v, err = c.decryptor(sel.Paging.Cursor)
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}
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if err != nil {
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return 0, nil, err
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}
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@ -289,7 +297,7 @@ func (c *compilerContext) initSelector(sel *qcode.Select, ti *DBTableInfo) (uint
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return skipped, cols, nil
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}
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func (c *compilerContext) renderSelect(sel *qcode.Select, ti *DBTableInfo) (uint32, error) {
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func (c *compilerContext) renderSelect(sel *qcode.Select, ti *DBTableInfo, vars Variables) (uint32, error) {
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var rel *DBRel
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var err error
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@ -302,7 +310,7 @@ func (c *compilerContext) renderSelect(sel *qcode.Select, ti *DBTableInfo) (uint
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}
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}
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skipped, childCols, err := c.initSelector(sel, ti)
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skipped, childCols, err := c.initSelector(sel, ti, vars)
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if err != nil {
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return 0, err
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}
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@ -711,7 +711,7 @@ func (com *Compiler) compileArgOrderBy(sel *Select, arg *Arg) (error, bool) {
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}
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if _, ok := com.bl[node.Name]; ok {
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//FreeNode(node, 2)
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FreeNode(node, 2)
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continue
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}
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@ -719,7 +719,7 @@ func (com *Compiler) compileArgOrderBy(sel *Select, arg *Arg) (error, bool) {
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for i := range node.Children {
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st.Push(node.Children[i])
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}
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//FreeNode(node, 3)
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FreeNode(node, 3)
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continue
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}
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@ -768,7 +768,6 @@ func (com *Compiler) compileArgDistinctOn(sel *Select, arg *Arg) (error, bool) {
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sel.DistinctOn = append(sel.DistinctOn, node.Children[i].Val)
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FreeNode(node.Children[i], 5)
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}
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//FreeNode(node, 5)
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return nil, false
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}
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@ -788,7 +787,7 @@ func (com *Compiler) compileArgLimit(sel *Select, arg *Arg) (error, bool) {
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func (com *Compiler) compileArgOffset(sel *Select, arg *Arg) (error, bool) {
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node := arg.Val
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if node.Type != NodeInt {
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if node.Type != NodeInt && node.Type != NodeVar {
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return fmt.Errorf("expecting an integer"), false
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}
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@ -799,7 +798,7 @@ func (com *Compiler) compileArgOffset(sel *Select, arg *Arg) (error, bool) {
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func (com *Compiler) compileArgFirstLast(sel *Select, arg *Arg, pt PagingType) (error, bool) {
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node := arg.Val
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if node.Type != NodeInt {
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if node.Type != NodeInt && node.Type != NodeVar {
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return fmt.Errorf("expecting an integer"), false
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}
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@ -812,7 +811,7 @@ func (com *Compiler) compileArgFirstLast(sel *Select, arg *Arg, pt PagingType) (
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func (com *Compiler) compileArgAfterBefore(sel *Select, arg *Arg, pt PagingType) (error, bool) {
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node := arg.Val
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if node.Type != NodeStr {
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if node.Type != NodeStr && node.Type != NodeVar {
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return fmt.Errorf("expecting a string"), false
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}
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