Materialize/doc/developer/design/static/qgm/simple-left-join.svg

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<title>G</title>
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<text text-anchor="middle" x="225.5" y="-7.8" font-family="Times,serif" font-size="14.00">select * from t1 left join t2 on t1.f1 = t2.f2; (before rewrites)</text>
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<title>cluster0</title>
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<text text-anchor="middle" x="522.5" y="-587.8" font-family="Times,serif" font-size="14.00">Box0:Select</text>
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<title>cluster1</title>
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<text text-anchor="middle" x="78.5" y="-367.8" font-family="Times,serif" font-size="14.00">Box1:OuterJoin</text>
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<text text-anchor="middle" x="356" y="-147.8" font-family="Times,serif" font-size="14.00">Box3:BaseTable T2</text>
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<g id="clust7" class="cluster">
<title>cluster2</title>
<polygon fill="none" stroke="black" points="8,-31 8,-163 170,-163 170,-31 8,-31"/>
<text text-anchor="middle" x="84" y="-147.8" font-family="Times,serif" font-size="14.00">Box2:BaseTable T1</text>
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<title>boxhead0</title>
<polygon fill="none" stroke="black" points="572,-410.5 572,-571.5 718,-571.5 718,-410.5 572,-410.5"/>
<text text-anchor="middle" x="645" y="-556.3" font-family="Times,serif" font-size="14.00">Distinct: Preserve</text>
<polyline fill="none" stroke="black" points="572,-548.5 718,-548.5 "/>
<text text-anchor="middle" x="645" y="-533.3" font-family="Times,serif" font-size="14.00">0: Q2.c0 as F1</text>
<polyline fill="none" stroke="black" points="572,-525.5 718,-525.5 "/>
<text text-anchor="middle" x="645" y="-510.3" font-family="Times,serif" font-size="14.00">1: Q2.c1 as F2</text>
<polyline fill="none" stroke="black" points="572,-502.5 718,-502.5 "/>
<text text-anchor="middle" x="645" y="-487.3" font-family="Times,serif" font-size="14.00">2: Q2.c2 as F3</text>
<polyline fill="none" stroke="black" points="572,-479.5 718,-479.5 "/>
<text text-anchor="middle" x="645" y="-464.3" font-family="Times,serif" font-size="14.00">3: Q2.c3 as F1</text>
<polyline fill="none" stroke="black" points="572,-456.5 718,-456.5 "/>
<text text-anchor="middle" x="645" y="-441.3" font-family="Times,serif" font-size="14.00">4: Q2.c4 as F2</text>
<polyline fill="none" stroke="black" points="572,-433.5 718,-433.5 "/>
<text text-anchor="middle" x="645" y="-418.3" font-family="Times,serif" font-size="14.00">5: Q2.c5 as F3</text>
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<title>Q2</title>
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<text text-anchor="middle" x="517" y="-487.3" font-family="Times,serif" font-size="14.00">Q2(F)</text>
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<title>boxhead1</title>
<polygon fill="none" stroke="black" points="444,-190.5 444,-351.5 590,-351.5 590,-190.5 444,-190.5"/>
<text text-anchor="middle" x="517" y="-336.3" font-family="Times,serif" font-size="14.00">Distinct: Preserve</text>
<polyline fill="none" stroke="black" points="444,-328.5 590,-328.5 "/>
<text text-anchor="middle" x="517" y="-313.3" font-family="Times,serif" font-size="14.00">0: Q0.c0 as F1</text>
<polyline fill="none" stroke="black" points="444,-305.5 590,-305.5 "/>
<text text-anchor="middle" x="517" y="-290.3" font-family="Times,serif" font-size="14.00">1: Q0.c1 as F2</text>
<polyline fill="none" stroke="black" points="444,-282.5 590,-282.5 "/>
<text text-anchor="middle" x="517" y="-267.3" font-family="Times,serif" font-size="14.00">2: Q0.c2 as F3</text>
<polyline fill="none" stroke="black" points="444,-259.5 590,-259.5 "/>
<text text-anchor="middle" x="517" y="-244.3" font-family="Times,serif" font-size="14.00">3: Q1.c0 as F1</text>
<polyline fill="none" stroke="black" points="444,-236.5 590,-236.5 "/>
<text text-anchor="middle" x="517" y="-221.3" font-family="Times,serif" font-size="14.00">4: Q1.c1 as F2</text>
<polyline fill="none" stroke="black" points="444,-213.5 590,-213.5 "/>
<text text-anchor="middle" x="517" y="-198.3" font-family="Times,serif" font-size="14.00">5: Q1.c2 as F3</text>
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<title>Q2&#45;&gt;boxhead1</title>
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<!-- Q0 -->
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<title>Q0</title>
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<text text-anchor="middle" x="89" y="-267.3" font-family="Times,serif" font-size="14.00">Q0(P) as T1</text>
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<!-- Q1 -->
<g id="node5" class="node">
<title>Q1</title>
<ellipse fill="none" stroke="black" cx="361" cy="-271" rx="64.99" ry="64.99"/>
<text text-anchor="middle" x="361" y="-267.3" font-family="Times,serif" font-size="14.00">Q1(F) as T2</text>
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<!-- Q0&#45;&gt;Q1 -->
<g id="edge1" class="edge">
<title>Q0&#45;&gt;Q1</title>
<path fill="none" stroke="black" d="M154.15,-271C197.06,-271 253.02,-271 295.91,-271"/>
<text text-anchor="middle" x="225" y="-277.8" font-family="Times,serif" font-size="14.00">(Q0.c0) = (Q1.c1)</text>
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<title>boxhead2</title>
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<text text-anchor="middle" x="89" y="-116.3" font-family="Times,serif" font-size="14.00">Distinct: Preserve</text>
<polyline fill="none" stroke="black" points="16,-108.5 162,-108.5 "/>
<text text-anchor="middle" x="89" y="-93.3" font-family="Times,serif" font-size="14.00">0: c0 as F1</text>
<polyline fill="none" stroke="black" points="16,-85.5 162,-85.5 "/>
<text text-anchor="middle" x="89" y="-70.3" font-family="Times,serif" font-size="14.00">1: c1 as F2</text>
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<text text-anchor="middle" x="89" y="-47.3" font-family="Times,serif" font-size="14.00">2: c2 as F3</text>
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<title>Q0&#45;&gt;boxhead2</title>
<path fill="none" stroke="black" stroke-dasharray="5,2" d="M89,-205.82C89,-191.99 89,-177.24 89,-163"/>
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<title>boxhead3</title>
<polygon fill="none" stroke="black" points="288,-39.5 288,-131.5 434,-131.5 434,-39.5 288,-39.5"/>
<text text-anchor="middle" x="361" y="-116.3" font-family="Times,serif" font-size="14.00">Distinct: Preserve</text>
<polyline fill="none" stroke="black" points="288,-108.5 434,-108.5 "/>
<text text-anchor="middle" x="361" y="-93.3" font-family="Times,serif" font-size="14.00">0: c0 as F1</text>
<polyline fill="none" stroke="black" points="288,-85.5 434,-85.5 "/>
<text text-anchor="middle" x="361" y="-70.3" font-family="Times,serif" font-size="14.00">1: c1 as F2</text>
<polyline fill="none" stroke="black" points="288,-62.5 434,-62.5 "/>
<text text-anchor="middle" x="361" y="-47.3" font-family="Times,serif" font-size="14.00">2: c2 as F3</text>
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<!-- Q1&#45;&gt;boxhead3 -->
<g id="edge4" class="edge">
<title>Q1&#45;&gt;boxhead3</title>
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