diff options
Diffstat (limited to 'doc/manual.tex')
| -rw-r--r-- | doc/manual.tex | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/manual.tex b/doc/manual.tex index 3a532fbc..5a46552d 100644 --- a/doc/manual.tex +++ b/doc/manual.tex @@ -1469,7 +1469,8 @@ $$\begin{array}{l} \hspace{.1in} \to \mt{grouped} ::: \{\{\mt{Type}\}\} \\ \hspace{.1in} \to \mt{selectedFields} ::: \{\{\mt{Type}\}\} \\ \hspace{.1in} \to \mt{selectedExps} ::: \{\mt{Type}\} \\ - \hspace{.1in} \to \{\mt{From} : \mt{sql\_from\_items} \; \mt{tables}, \\ + \hspace{.1in} \to \{\mt{Distinct} : \mt{bool}, \\ + \hspace{.2in} \mt{From} : \mt{sql\_from\_items} \; \mt{tables}, \\ \hspace{.2in} \mt{Where} : \mt{sql\_exp} \; \mt{tables} \; [] \; [] \; \mt{bool}, \\ \hspace{.2in} \mt{GroupBy} : \mt{sql\_subset} \; \mt{tables} \; \mt{grouped}, \\ \hspace{.2in} \mt{Having} : \mt{sql\_exp} \; \mt{grouped} \; \mt{tables} \; [] \; \mt{bool}, \\ @@ -1855,7 +1856,7 @@ Queries $Q$ are added to the rules for expressions $e$. $$\begin{array}{rrcll} \textrm{Queries} & Q &::=& (q \; [\mt{ORDER} \; \mt{BY} \; (E \; [o],)^+] \; [\mt{LIMIT} \; N] \; [\mt{OFFSET} \; N]) \\ - \textrm{Pre-queries} & q &::=& \mt{SELECT} \; P \; \mt{FROM} \; T,^+ \; [\mt{WHERE} \; E] \; [\mt{GROUP} \; \mt{BY} \; p,^+] \; [\mt{HAVING} \; E] \\ + \textrm{Pre-queries} & q &::=& \mt{SELECT} \; [\mt{DISTINCT}] \; P \; \mt{FROM} \; T,^+ \; [\mt{WHERE} \; E] \; [\mt{GROUP} \; \mt{BY} \; p,^+] \; [\mt{HAVING} \; E] \\ &&& \mid q \; R \; q \\ \textrm{Relational operators} & R &::=& \mt{UNION} \mid \mt{INTERSECT} \mid \mt{EXCEPT} \end{array}$$ |