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CREATE TABLE "FIA_COND_unique" AS
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SELECT
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DISTINCT ON ("PLT_CN")
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*
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FROM "FIA_COND"
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;
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ALTER TABLE "FIA_COND_unique" ADD PRIMARY KEY ("PLT_CN");
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--ALTER TABLE "FIA_COND_unique" ADD COLUMN oldgrowth boolean;
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ALTER TABLE "FIA_COND_unique" ALTER COLUMN oldgrowth TYPE boolean
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USING
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(
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"STDAGE">80 
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AND ("TRTCD1"='0' OR "TRTCD1" IS NULL)
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AND (("DSTRBCD1"<>'30' AND "DSTRBCD1"<>'31' AND "DSTRBCD1"<>'32' AND "DSTRBCD1"<>'80') OR "DSTRBCD1" IS NULL)
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AND ("STUMP_CD_PNWRS"='N' OR "STUMP_CD_PNWRS" IS NULL)
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AND "HARVEST_TYPE1_SRS" IS NULL
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AND "PRESNFCD" IS NULL
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AND ("STDORGCD"=0 OR "STDORGCD" IS NULL)
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)
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OR "STND_COND_CD_PNWRS"='7'
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;
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